Finding the Fourth Proportional to 22,636.62, 31,238.22 and 12,565.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,636.62 : 31,238.22 = 12,565.02 : x
2. Step 2: Convert to fraction form
   22,636.62/31,238.22 = 12,565.02/x
3. Step 3: Cross multiply
   22,636.62x = 31,238.22 × 12,565.02
4. Step 4: Simplify right side
   22,636.62x = 392,508,859.06
5. Step 5: Solve for x
   x = 392,508,859.06/22,636.62
6. Step 6: Final answer
   x = 17,339.55