Finding the Fourth Proportional to 2,456.88, 3,391.92 and 1,574.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.88 : 3,391.92 = 1,574.04 : x
2. Step 2: Convert to fraction form
   2,456.88/3,391.92 = 1,574.04/x
3. Step 3: Cross multiply
   2,456.88x = 3,391.92 × 1,574.04
4. Step 4: Simplify right side
   2,456.88x = 5,339,017.76
5. Step 5: Solve for x
   x = 5,339,017.76/2,456.88
6. Step 6: Final answer
   x = 2,173.09