Finding the Fourth Proportional to 87,033.72, 120,117.42 and 49,320.12

Step by Step Solution

1. Step 1: Write the proportion equation
   87,033.72 : 120,117.42 = 49,320.12 : x
2. Step 2: Convert to fraction form
   87,033.72/120,117.42 = 49,320.12/x
3. Step 3: Cross multiply
   87,033.72x = 120,117.42 × 49,320.12
4. Step 4: Simplify right side
   87,033.72x = 5,924,205,568.49
5. Step 5: Solve for x
   x = 5,924,205,568.49/87,033.72
6. Step 6: Final answer
   x = 68,067.93