Finding the Fourth Proportional to 2,557.52, 3,831.24 and 2,377.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.52 : 3,831.24 = 2,377.52 : x
2. Step 2: Convert to fraction form
   2,557.52/3,831.24 = 2,377.52/x
3. Step 3: Cross multiply
   2,557.52x = 3,831.24 × 2,377.52
4. Step 4: Simplify right side
   2,557.52x = 9,108,849.72
5. Step 5: Solve for x
   x = 9,108,849.72/2,557.52
6. Step 6: Final answer
   x = 3,561.59