Finding the Fourth Proportional to 52,086.58, 71,891.28 and 29,438.71

Step by Step Solution

1. Step 1: Write the proportion equation
   52,086.58 : 71,891.28 = 29,438.71 : x
2. Step 2: Convert to fraction form
   52,086.58/71,891.28 = 29,438.71/x
3. Step 3: Cross multiply
   52,086.58x = 71,891.28 × 29,438.71
4. Step 4: Simplify right side
   52,086.58x = 2,116,386,522.92
5. Step 5: Solve for x
   x = 2,116,386,522.92/52,086.58
6. Step 6: Final answer
   x = 40,632.09