Du'a for wealth and knowledge

اللَّهُمَّ إِنِّي أَسْأَلُكَ عِلْمًا نَافِعًا وَرِزْقًا طَيِّبًا وَعَمَلًا مُتَقَبَّلًا

Allahumma inni as'aluka 'ilman nafi'an, wa rizqan tayyiban, wa 'amalan mutaqabbalan

O Allah, I ask You for beneficial knowledge, good provision, and accepted deeds.

Sunan Ibn Mājah 925