To solve for \( x \) in the given right triangle \( MNP \) with altitude \( MO \), we would generally apply the properties of right triangles and possibly the Pythagorean theorem.
However, since I don't have the specific details of triangle \( MNP \) (i.e., the lengths of its sides, the relationships among points M, N, P, and O, or any other relevant details), I can't perform an exact calculation for the value of \( x \).
If you provide more details, such as the lengths of sides \( MN \), \( MP \), and any other known lengths or angles, I can assist you in calculating \( x \).