Finding the Fourth Proportional to 87,375.25, 120,577.89 and 49,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,375.25 : 120,577.89 = 49,649.50 : x
2. Step 2: Convert to fraction form
   87,375.25/120,577.89 = 49,649.50/x
3. Step 3: Cross multiply
   87,375.25x = 120,577.89 × 49,649.50
4. Step 4: Simplify right side
   87,375.25x = 5,986,631,949.56
5. Step 5: Solve for x
   x = 5,986,631,949.56/87,375.25
6. Step 6: Final answer
   x = 68,516.34