Finding the Fourth Proportional to 87,401.25, 120,613.86 and 49,675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,401.25 : 120,613.86 = 49,675.50 : x
2. Step 2: Convert to fraction form
   87,401.25/120,613.86 = 49,675.50/x
3. Step 3: Cross multiply
   87,401.25x = 120,613.86 × 49,675.50
4. Step 4: Simplify right side
   87,401.25x = 5,991,553,802.43
5. Step 5: Solve for x
   x = 5,991,553,802.43/87,401.25
6. Step 6: Final answer
   x = 68,552.27