Finding the Fourth Proportional to 87,150.60, 120,244.50 and 49,424.04

Step by Step Solution

1. Step 1: Write the proportion equation
   87,150.60 : 120,244.50 = 49,424.04 : x
2. Step 2: Convert to fraction form
   87,150.60/120,244.50 = 49,424.04/x
3. Step 3: Cross multiply
   87,150.60x = 120,244.50 × 49,424.04
4. Step 4: Simplify right side
   87,150.60x = 5,942,968,977.78
5. Step 5: Solve for x
   x = 5,942,968,977.78/87,150.60
6. Step 6: Final answer
   x = 68,191.95