Finding the Fourth Proportional to 2,568.20, 3,544.13 and 1,449.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.20 : 3,544.13 = 1,449.18 : x
2. Step 2: Convert to fraction form
   2,568.20/3,544.13 = 1,449.18/x
3. Step 3: Cross multiply
   2,568.20x = 3,544.13 × 1,449.18
4. Step 4: Simplify right side
   2,568.20x = 5,136,075.07
5. Step 5: Solve for x
   x = 5,136,075.07/2,568.20
6. Step 6: Final answer
   x = 1,999.88