Finding the Fourth Proportional to 33,150.57, 45,747.98 and 18,043.20

Step by Step Solution

1. Step 1: Write the proportion equation
   33,150.57 : 45,747.98 = 18,043.20 : x
2. Step 2: Convert to fraction form
   33,150.57/45,747.98 = 18,043.20/x
3. Step 3: Cross multiply
   33,150.57x = 45,747.98 × 18,043.20
4. Step 4: Simplify right side
   33,150.57x = 825,439,922.09
5. Step 5: Solve for x
   x = 825,439,922.09/33,150.57
6. Step 6: Final answer
   x = 24,899.72