Finding the Fourth Proportional to 2,562.86, 3,553.04 and 2,472.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.86 : 3,553.04 = 2,472.78 : x
2. Step 2: Convert to fraction form
   2,562.86/3,553.04 = 2,472.78/x
3. Step 3: Cross multiply
   2,562.86x = 3,553.04 × 2,472.78
4. Step 4: Simplify right side
   2,562.86x = 8,785,886.25
5. Step 5: Solve for x
   x = 8,785,886.25/2,562.86
6. Step 6: Final answer
   x = 3,428.16