Finding the Fourth Proportional to 108,155.97, 149,255.55 and 60,411.15

Step by Step Solution

1. Step 1: Write the proportion equation
   108,155.97 : 149,255.55 = 60,411.15 : x
2. Step 2: Convert to fraction form
   108,155.97/149,255.55 = 60,411.15/x
3. Step 3: Cross multiply
   108,155.97x = 149,255.55 × 60,411.15
4. Step 4: Simplify right side
   108,155.97x = 9,016,699,419.38
5. Step 5: Solve for x
   x = 9,016,699,419.38/108,155.97
6. Step 6: Final answer
   x = 83,367.56