Finding the Fourth Proportional to 87,287.52, 120,457.56 and 49,562.56

Step by Step Solution

1. Step 1: Write the proportion equation
   87,287.52 : 120,457.56 = 49,562.56 : x
2. Step 2: Convert to fraction form
   87,287.52/120,457.56 = 49,562.56/x
3. Step 3: Cross multiply
   87,287.52x = 120,457.56 × 49,562.56
4. Step 4: Simplify right side
   87,287.52x = 5,970,185,044.95
5. Step 5: Solve for x
   x = 5,970,185,044.95/87,287.52
6. Step 6: Final answer
   x = 68,396.78