Finding the Fourth Proportional to 2,568.22, 3,544 and 1,433.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.22 : 3,544 = 1,433.81 : x
2. Step 2: Convert to fraction form
   2,568.22/3,544 = 1,433.81/x
3. Step 3: Cross multiply
   2,568.22x = 3,544 × 1,433.81
4. Step 4: Simplify right side
   2,568.22x = 5,081,422.64
5. Step 5: Solve for x
   x = 5,081,422.64/2,568.22
6. Step 6: Final answer
   x = 1,978.58