Finding the Fourth Proportional to 22,868.92, 31,565.22 and 13,443.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,868.92 : 31,565.22 = 13,443.76 : x
2. Step 2: Convert to fraction form
   22,868.92/31,565.22 = 13,443.76/x
3. Step 3: Cross multiply
   22,868.92x = 31,565.22 × 13,443.76
4. Step 4: Simplify right side
   22,868.92x = 424,355,242.03
5. Step 5: Solve for x
   x = 424,355,242.03/22,868.92
6. Step 6: Final answer
   x = 18,555.98