、。
I entrusted him with every last yen I had.
Literal
I [topic-は], money-on-hand [object-を] all him [to-に] entrusted.
有り金 literally 'money that exists [on one]' = 'all the money one has on hand, ready cash.' すべて ('all') stacks as a floating quantifier. 委託する is a formal verb for 'to entrust' — slightly legal/businesslike in tone. The recipient is marked with に.