Finding the Fourth Proportional to 2,568.57, 3,544.43 and 1,449.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.57 : 3,544.43 = 1,449.78 : x
2. Step 2: Convert to fraction form
   2,568.57/3,544.43 = 1,449.78/x
3. Step 3: Cross multiply
   2,568.57x = 3,544.43 × 1,449.78
4. Step 4: Simplify right side
   2,568.57x = 5,138,636.48
5. Step 5: Solve for x
   x = 5,138,636.48/2,568.57
6. Step 6: Final answer
   x = 2,000.58