Finding the Fourth Proportional to 87,404.52, 120,617.98 and 49,686.04

Step by Step Solution

1. Step 1: Write the proportion equation
   87,404.52 : 120,617.98 = 49,686.04 : x
2. Step 2: Convert to fraction form
   87,404.52/120,617.98 = 49,686.04/x
3. Step 3: Cross multiply
   87,404.52x = 120,617.98 × 49,686.04
4. Step 4: Simplify right side
   87,404.52x = 5,993,029,779.00
5. Step 5: Solve for x
   x = 5,993,029,779.00/87,404.52
6. Step 6: Final answer
   x = 68,566.59