Finding the Fourth Proportional to 87,885.43, 131,796.34 and 31,710.42

Step by Step Solution

1. Step 1: Write the proportion equation
   87,885.43 : 131,796.34 = 31,710.42 : x
2. Step 2: Convert to fraction form
   87,885.43/131,796.34 = 31,710.42/x
3. Step 3: Cross multiply
   87,885.43x = 131,796.34 × 31,710.42
4. Step 4: Simplify right side
   87,885.43x = 4,179,317,216.59
5. Step 5: Solve for x
   x = 4,179,317,216.59/87,885.43
6. Step 6: Final answer
   x = 47,554.15