Finding the Fourth Proportional to 52,086.57, 71,874.33 and 29,112.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,086.57 : 71,874.33 = 29,112.15 : x
2. Step 2: Convert to fraction form
   52,086.57/71,874.33 = 29,112.15/x
3. Step 3: Cross multiply
   52,086.57x = 71,874.33 × 29,112.15
4. Step 4: Simplify right side
   52,086.57x = 2,092,416,276.11
5. Step 5: Solve for x
   x = 2,092,416,276.11/52,086.57
6. Step 6: Final answer
   x = 40,171.90