Finding the Fourth Proportional to 22,637.91, 31,238.83 and 12,565.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,637.91 : 31,238.83 = 12,565.86 : x
2. Step 2: Convert to fraction form
   22,637.91/31,238.83 = 12,565.86/x
3. Step 3: Cross multiply
   22,637.91x = 31,238.83 × 12,565.86
4. Step 4: Simplify right side
   22,637.91x = 392,542,545.32
5. Step 5: Solve for x
   x = 392,542,545.32/22,637.91
6. Step 6: Final answer
   x = 17,340.06