Finding the Fourth Proportional to 87,605.76, 120,882.72 and 49,363.68

Step by Step Solution

1. Step 1: Write the proportion equation
   87,605.76 : 120,882.72 = 49,363.68 : x
2. Step 2: Convert to fraction form
   87,605.76/120,882.72 = 49,363.68/x
3. Step 3: Cross multiply
   87,605.76x = 120,882.72 × 49,363.68
4. Step 4: Simplify right side
   87,605.76x = 5,967,215,907.61
5. Step 5: Solve for x
   x = 5,967,215,907.61/87,605.76
6. Step 6: Final answer
   x = 68,114.42