Finding the Fourth Proportional to 87,105.52, 120,208.04 and 49,382.20

Step by Step Solution

1. Step 1: Write the proportion equation
   87,105.52 : 120,208.04 = 49,382.20 : x
2. Step 2: Convert to fraction form
   87,105.52/120,208.04 = 49,382.20/x
3. Step 3: Cross multiply
   87,105.52x = 120,208.04 × 49,382.20
4. Step 4: Simplify right side
   87,105.52x = 5,936,137,472.89
5. Step 5: Solve for x
   x = 5,936,137,472.89/87,105.52
6. Step 6: Final answer
   x = 68,148.81