Finding the Fourth Proportional to 87,507.72, 120,757.86 and 49,269.24

Step by Step Solution

1. Step 1: Write the proportion equation
   87,507.72 : 120,757.86 = 49,269.24 : x
2. Step 2: Convert to fraction form
   87,507.72/120,757.86 = 49,269.24/x
3. Step 3: Cross multiply
   87,507.72x = 120,757.86 × 49,269.24
4. Step 4: Simplify right side
   87,507.72x = 5,949,647,986.23
5. Step 5: Solve for x
   x = 5,949,647,986.23/87,507.72
6. Step 6: Final answer
   x = 67,989.98