Finding the Fourth Proportional to 22,162.56, 33,221.76 and 12,306.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,162.56 : 33,221.76 = 12,306.24 : x
2. Step 2: Convert to fraction form
   22,162.56/33,221.76 = 12,306.24/x
3. Step 3: Cross multiply
   22,162.56x = 33,221.76 × 12,306.24
4. Step 4: Simplify right side
   22,162.56x = 408,834,951.78
5. Step 5: Solve for x
   x = 408,834,951.78/22,162.56
6. Step 6: Final answer
   x = 18,447.10