Finding the Fourth Proportional to 22,632.72, 31,233.02 and 12,561.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,632.72 : 31,233.02 = 12,561.26 : x
2. Step 2: Convert to fraction form
   22,632.72/31,233.02 = 12,561.26/x
3. Step 3: Cross multiply
   22,632.72x = 31,233.02 × 12,561.26
4. Step 4: Simplify right side
   22,632.72x = 392,326,084.81
5. Step 5: Solve for x
   x = 392,326,084.81/22,632.72
6. Step 6: Final answer
   x = 17,334.46