Finding the Fourth Proportional to 22,626.09, 31,222.91 and 12,554.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,626.09 : 31,222.91 = 12,554.42 : x
2. Step 2: Convert to fraction form
   22,626.09/31,222.91 = 12,554.42/x
3. Step 3: Cross multiply
   22,626.09x = 31,222.91 × 12,554.42
4. Step 4: Simplify right side
   22,626.09x = 391,985,306.88
5. Step 5: Solve for x
   x = 391,985,306.88/22,626.09
6. Step 6: Final answer
   x = 17,324.48