Finding the Fourth Proportional to 3,647.28, 5,034.42 and 2,471.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.28 : 5,034.42 = 2,471.52 : x
2. Step 2: Convert to fraction form
   3,647.28/5,034.42 = 2,471.52/x
3. Step 3: Cross multiply
   3,647.28x = 5,034.42 × 2,471.52
4. Step 4: Simplify right side
   3,647.28x = 12,442,669.72
5. Step 5: Solve for x
   x = 12,442,669.72/3,647.28
6. Step 6: Final answer
   x = 3,411.49