Finding the Fourth Proportional to 59,211.47, 81,711.85 and 31,987.56

Step by Step Solution

1. Step 1: Write the proportion equation
   59,211.47 : 81,711.85 = 31,987.56 : x
2. Step 2: Convert to fraction form
   59,211.47/81,711.85 = 31,987.56/x
3. Step 3: Cross multiply
   59,211.47x = 81,711.85 × 31,987.56
4. Step 4: Simplify right side
   59,211.47x = 2,613,762,704.59
5. Step 5: Solve for x
   x = 2,613,762,704.59/59,211.47
6. Step 6: Final answer
   x = 44,142.84