Finding the Fourth Proportional to 22,635.89, 31,237.39 and 12,565.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,635.89 : 31,237.39 = 12,565.79 : x
2. Step 2: Convert to fraction form
   22,635.89/31,237.39 = 12,565.79/x
3. Step 3: Cross multiply
   22,635.89x = 31,237.39 × 12,565.79
4. Step 4: Simplify right side
   22,635.89x = 392,522,482.89
5. Step 5: Solve for x
   x = 392,522,482.89/22,635.89
6. Step 6: Final answer
   x = 17,340.71