Finding the Fourth Proportional to 87,150.36, 120,253.32 and 49,436.76

Step by Step Solution

1. Step 1: Write the proportion equation
   87,150.36 : 120,253.32 = 49,436.76 : x
2. Step 2: Convert to fraction form
   87,150.36/120,253.32 = 49,436.76/x
3. Step 3: Cross multiply
   87,150.36x = 120,253.32 × 49,436.76
4. Step 4: Simplify right side
   87,150.36x = 5,944,934,520.04
5. Step 5: Solve for x
   x = 5,944,934,520.04/87,150.36
6. Step 6: Final answer
   x = 68,214.69