Finding the Fourth Proportional to 33,227.31, 45,854.55 and 18,120.61

Step by Step Solution

1. Step 1: Write the proportion equation
   33,227.31 : 45,854.55 = 18,120.61 : x
2. Step 2: Convert to fraction form
   33,227.31/45,854.55 = 18,120.61/x
3. Step 3: Cross multiply
   33,227.31x = 45,854.55 × 18,120.61
4. Step 4: Simplify right side
   33,227.31x = 830,912,417.28
5. Step 5: Solve for x
   x = 830,912,417.28/33,227.31
6. Step 6: Final answer
   x = 25,006.91