Finding the Fourth Proportional to 87,974.14, 131,862.18 and 43,632.72

Step by Step Solution

1. Step 1: Write the proportion equation
   87,974.14 : 131,862.18 = 43,632.72 : x
2. Step 2: Convert to fraction form
   87,974.14/131,862.18 = 43,632.72/x
3. Step 3: Cross multiply
   87,974.14x = 131,862.18 × 43,632.72
4. Step 4: Simplify right side
   87,974.14x = 5,753,505,578.53
5. Step 5: Solve for x
   x = 5,753,505,578.53/87,974.14
6. Step 6: Final answer
   x = 65,399.96