Finding the Fourth Proportional to 2,562.26, 3,535.92 and 1,443.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.26 : 3,535.92 = 1,443.20 : x
2. Step 2: Convert to fraction form
   2,562.26/3,535.92 = 1,443.20/x
3. Step 3: Cross multiply
   2,562.26x = 3,535.92 × 1,443.20
4. Step 4: Simplify right side
   2,562.26x = 5,103,039.74
5. Step 5: Solve for x
   x = 5,103,039.74/2,562.26
6. Step 6: Final answer
   x = 1,991.62