Finding the Fourth Proportional to 33,002.28, 45,542.59 and 18,661.88

Step by Step Solution

1. Step 1: Write the proportion equation
   33,002.28 : 45,542.59 = 18,661.88 : x
2. Step 2: Convert to fraction form
   33,002.28/45,542.59 = 18,661.88/x
3. Step 3: Cross multiply
   33,002.28x = 45,542.59 × 18,661.88
4. Step 4: Simplify right side
   33,002.28x = 849,910,416.67
5. Step 5: Solve for x
   x = 849,910,416.67/33,002.28
6. Step 6: Final answer
   x = 25,753.08