Finding the Fourth Proportional to 87,951.02, 131,925.27 and 21,391.27

Step by Step Solution

1. Step 1: Write the proportion equation
   87,951.02 : 131,925.27 = 21,391.27 : x
2. Step 2: Convert to fraction form
   87,951.02/131,925.27 = 21,391.27/x
3. Step 3: Cross multiply
   87,951.02x = 131,925.27 × 21,391.27
4. Step 4: Simplify right side
   87,951.02x = 2,822,048,820.80
5. Step 5: Solve for x
   x = 2,822,048,820.80/87,951.02
6. Step 6: Final answer
   x = 32,086.60