Finding the Fourth Proportional to 2,562.18, 3,535.80 and 1,443.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.18 : 3,535.80 = 1,443.15 : x
2. Step 2: Convert to fraction form
   2,562.18/3,535.80 = 1,443.15/x
3. Step 3: Cross multiply
   2,562.18x = 3,535.80 × 1,443.15
4. Step 4: Simplify right side
   2,562.18x = 5,102,689.77
5. Step 5: Solve for x
   x = 5,102,689.77/2,562.18
6. Step 6: Final answer
   x = 1,991.54