Finding the Fourth Proportional to 22,636.59, 31,238.24 and 12,565.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,636.59 : 31,238.24 = 12,565.12 : x
2. Step 2: Convert to fraction form
   22,636.59/31,238.24 = 12,565.12/x
3. Step 3: Cross multiply
   22,636.59x = 31,238.24 × 12,565.12
4. Step 4: Simplify right side
   22,636.59x = 392,512,015.17
5. Step 5: Solve for x
   x = 392,512,015.17/22,636.59
6. Step 6: Final answer
   x = 17,339.71