Finding the Fourth Proportional to 4,123.28, 5,687.88 and 3,541.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123.28 : 5,687.88 = 3,541.52 : x
2. Step 2: Convert to fraction form
   4,123.28/5,687.88 = 3,541.52/x
3. Step 3: Cross multiply
   4,123.28x = 5,687.88 × 3,541.52
4. Step 4: Simplify right side
   4,123.28x = 20,143,740.78
5. Step 5: Solve for x
   x = 20,143,740.78/4,123.28
6. Step 6: Final answer
   x = 4,885.37