Finding the Fourth Proportional to 2,562.10, 3,591.80 and 2,562.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.10 : 3,591.80 = 2,562.10 : x
2. Step 2: Convert to fraction form
   2,562.10/3,591.80 = 2,562.10/x
3. Step 3: Cross multiply
   2,562.10x = 3,591.80 × 2,562.10
4. Step 4: Simplify right side
   2,562.10x = 9,202,550.78
5. Step 5: Solve for x
   x = 9,202,550.78/2,562.10
6. Step 6: Final answer
   x = 3,591.80