Finding the Fourth Proportional to 22,105.05, 33,157.92 and 12,306.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.05 : 33,157.92 = 12,306.61 : x
2. Step 2: Convert to fraction form
   22,105.05/33,157.92 = 12,306.61/x
3. Step 3: Cross multiply
   22,105.05x = 33,157.92 × 12,306.61
4. Step 4: Simplify right side
   22,105.05x = 408,061,589.85
5. Step 5: Solve for x
   x = 408,061,589.85/22,105.05
6. Step 6: Final answer
   x = 18,460.11