Finding the Fourth Proportional to 2,568.29, 3,545.97 and 1,685.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.29 : 3,545.97 = 1,685.60 : x
2. Step 2: Convert to fraction form
   2,568.29/3,545.97 = 1,685.60/x
3. Step 3: Cross multiply
   2,568.29x = 3,545.97 × 1,685.60
4. Step 4: Simplify right side
   2,568.29x = 5,977,069.30
5. Step 5: Solve for x
   x = 5,977,069.30/2,568.29
6. Step 6: Final answer
   x = 2,327.26