Finding the Fourth Proportional to 22,104.05, 33,156.42 and 12,305.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,104.05 : 33,156.42 = 12,305.61 : x
2. Step 2: Convert to fraction form
   22,104.05/33,156.42 = 12,305.61/x
3. Step 3: Cross multiply
   22,104.05x = 33,156.42 × 12,305.61
4. Step 4: Simplify right side
   22,104.05x = 408,009,807.73
5. Step 5: Solve for x
   x = 408,009,807.73/22,104.05
6. Step 6: Final answer
   x = 18,458.60