Finding the Fourth Proportional to 116,738.82, 161,087.94 and 65,750.13

Step by Step Solution

1. Step 1: Write the proportion equation
   116,738.82 : 161,087.94 = 65,750.13 : x
2. Step 2: Convert to fraction form
   116,738.82/161,087.94 = 65,750.13/x
3. Step 3: Cross multiply
   116,738.82x = 161,087.94 × 65,750.13
4. Step 4: Simplify right side
   116,738.82x = 10,591,552,996.43
5. Step 5: Solve for x
   x = 10,591,552,996.43/116,738.82
6. Step 6: Final answer
   x = 90,728.63