Jupiter in Fourth House is in house of his friend Moon. The aspects on House of Inheritance and Career are definitely productive but the aspect on House of Imagination is less helpful. Having said that there is good education, multiple properties, possibilities of huge profits from Farming, Animal Husbandry and Real Estate.

     Jupiter is kind and benevolent. Fourth House belongs to mother and basic education. Native has a kind, gentle, learned and good hearted mother who imparts good education and values in the native. This placement also makes a native intuitive and furthers his/her thirst for knowledge and broadens horizons for him/her. In simple words sky is the limit as far as gathering knowledge goes for natives. If Jupiter happens to be lord of Ninth House then it would do wonders to Fortune and Education. The aspect on Eight House which is the house of Taxation and Inheritance favors inheritance. Native earns huge inheritance via previous good karma. The aspect on Tenth House of Career is the best. It boosts the Career provides good rapport with superiors. co-workers and employees. Not only that it provides chance to work in education department as lecturer or teacher, as a diplomat in government work, as a Trustee, serve as religious head or even in research department. Jupiter's aspect on Twelfth House is good for research and creative writing. Twelfth House is also the House of Moksha which provides liberation from circle of life and death. Jupiter provides spiritual enlightenment which may take the native closer to Moksha. 

     According to B. V. Raman a person with Jupiter in Fourth House is: Philosophically inclined, learned and happy. He/She gets on well with government officials and ruling politicians. He/She is religious inclined, respected and fortunate. Also there is spiritual advancement possible. 

     Jupiter in Fourth House is generally a very good placement. In rare cases it could turn bad but normal observation is no major harm comes to the native from this placement. Just in case some prayers to Lord Vishnu are advisable. Jupiter promotes obesity related diseases and some exercise are required to prevent complications later. 

References:
Raman, Bangalore Venkata. How to Judge a Horoscope. Delhi: Motilal Banarsidass, 2014. Print.