Finding the Fourth Proportional to 87,037.50, 120,111.90 and 49,314.30

Step by Step Solution

1. Step 1: Write the proportion equation
   87,037.50 : 120,111.90 = 49,314.30 : x
2. Step 2: Convert to fraction form
   87,037.50/120,111.90 = 49,314.30/x
3. Step 3: Cross multiply
   87,037.50x = 120,111.90 × 49,314.30
4. Step 4: Simplify right side
   87,037.50x = 5,923,234,270.17
5. Step 5: Solve for x
   x = 5,923,234,270.17/87,037.50
6. Step 6: Final answer
   x = 68,053.82