Finding the Fourth Proportional to 116,617.39, 161,022.41 and 91,079.17

Step by Step Solution

1. Step 1: Write the proportion equation
   116,617.39 : 161,022.41 = 91,079.17 : x
2. Step 2: Convert to fraction form
   116,617.39/161,022.41 = 91,079.17/x
3. Step 3: Cross multiply
   116,617.39x = 161,022.41 × 91,079.17
4. Step 4: Simplify right side
   116,617.39x = 14,665,787,454.20
5. Step 5: Solve for x
   x = 14,665,787,454.20/116,617.39
6. Step 6: Final answer
   x = 125,759.87