Finding the Fourth Proportional to 22,626.38, 31,223.35 and 12,554.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,626.38 : 31,223.35 = 12,554.71 : x
2. Step 2: Convert to fraction form
   22,626.38/31,223.35 = 12,554.71/x
3. Step 3: Cross multiply
   22,626.38x = 31,223.35 × 12,554.71
4. Step 4: Simplify right side
   22,626.38x = 392,000,104.48
5. Step 5: Solve for x
   x = 392,000,104.48/22,626.38
6. Step 6: Final answer
   x = 17,324.91