Finding the Fourth Proportional to 71,287.47, 106,909.59 and 37,535.13

Step by Step Solution

1. Step 1: Write the proportion equation
   71,287.47 : 106,909.59 = 37,535.13 : x
2. Step 2: Convert to fraction form
   71,287.47/106,909.59 = 37,535.13/x
3. Step 3: Cross multiply
   71,287.47x = 106,909.59 × 37,535.13
4. Step 4: Simplify right side
   71,287.47x = 4,012,865,358.90
5. Step 5: Solve for x
   x = 4,012,865,358.90/71,287.47
6. Step 6: Final answer
   x = 56,291.31