Finding the Fourth Proportional to 17,639.48, 24,340.71 and 10,565.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,639.48 : 24,340.71 = 10,565.72 : x
2. Step 2: Convert to fraction form
   17,639.48/24,340.71 = 10,565.72/x
3. Step 3: Cross multiply
   17,639.48x = 24,340.71 × 10,565.72
4. Step 4: Simplify right side
   17,639.48x = 257,177,126.46
5. Step 5: Solve for x
   x = 257,177,126.46/17,639.48
6. Step 6: Final answer
   x = 14,579.63