Finding the Fourth Proportional to 2,562.64, 3,536.18 and 1,443.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.64 : 3,536.18 = 1,443.40 : x
2. Step 2: Convert to fraction form
   2,562.64/3,536.18 = 1,443.40/x
3. Step 3: Cross multiply
   2,562.64x = 3,536.18 × 1,443.40
4. Step 4: Simplify right side
   2,562.64x = 5,104,111.57
5. Step 5: Solve for x
   x = 5,104,111.57/2,562.64
6. Step 6: Final answer
   x = 1,991.74