I probably cannot, but I certainly cannot based on what you have said thus far. ... When you talk about "expected" utilities are you talking about expected values from some probability distribution, or is this economists' jargon for saying that utilities are subjective states of mind about an unknowable and hence unknown future? If you are not multiplying probabilities times utilities conditioned on the future state of the world to get an expected value, what are you multiplying utilities by and why?
... I can provides some BASIC help in economics. If you explain the problem more fully, I shall be able to tell you whether your problem is beyond me or not.