Finding the Fourth Proportional to 2,562.30, 3,535.72 and 1,443.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.30 : 3,535.72 = 1,443.15 : x
2. Step 2: Convert to fraction form
   2,562.30/3,535.72 = 1,443.15/x
3. Step 3: Cross multiply
   2,562.30x = 3,535.72 × 1,443.15
4. Step 4: Simplify right side
   2,562.30x = 5,102,570.71
5. Step 5: Solve for x
   x = 5,102,570.71/2,562.30
6. Step 6: Final answer
   x = 1,991.40