Finding the Fourth Proportional to 2,562.27, 3,535.89 and 1,443.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.27 : 3,535.89 = 1,443.21 : x
2. Step 2: Convert to fraction form
   2,562.27/3,535.89 = 1,443.21/x
3. Step 3: Cross multiply
   2,562.27x = 3,535.89 × 1,443.21
4. Step 4: Simplify right side
   2,562.27x = 5,103,031.81
5. Step 5: Solve for x
   x = 5,103,031.81/2,562.27
6. Step 6: Final answer
   x = 1,991.61