Finding the Fourth Proportional to 2,568.61, 3,559.33 and 2,412.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.61 : 3,559.33 = 2,412.55 : x
2. Step 2: Convert to fraction form
   2,568.61/3,559.33 = 2,412.55/x
3. Step 3: Cross multiply
   2,568.61x = 3,559.33 × 2,412.55
4. Step 4: Simplify right side
   2,568.61x = 8,587,061.59
5. Step 5: Solve for x
   x = 8,587,061.59/2,568.61
6. Step 6: Final answer
   x = 3,343.08