Finding the Fourth Proportional to 22,632.82, 31,233.25 and 12,561.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,632.82 : 31,233.25 = 12,561.39 : x
2. Step 2: Convert to fraction form
   22,632.82/31,233.25 = 12,561.39/x
3. Step 3: Cross multiply
   22,632.82x = 31,233.25 × 12,561.39
4. Step 4: Simplify right side
   22,632.82x = 392,333,034.22
5. Step 5: Solve for x
   x = 392,333,034.22/22,632.82
6. Step 6: Final answer
   x = 17,334.70