Finding the Fourth Proportional to 87,521.72, 131,310.12 and 31,323.52

Step by Step Solution

1. Step 1: Write the proportion equation
   87,521.72 : 131,310.12 = 31,323.52 : x
2. Step 2: Convert to fraction form
   87,521.72/131,310.12 = 31,323.52/x
3. Step 3: Cross multiply
   87,521.72x = 131,310.12 × 31,323.52
4. Step 4: Simplify right side
   87,521.72x = 4,113,094,513.47
5. Step 5: Solve for x
   x = 4,113,094,513.47/87,521.72
6. Step 6: Final answer
   x = 46,995.13