Finding the Fourth Proportional to 2,568.57, 3,538.48 and 2,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.57 : 3,538.48 = 2,443.50 : x
2. Step 2: Convert to fraction form
   2,568.57/3,538.48 = 2,443.50/x
3. Step 3: Cross multiply
   2,568.57x = 3,538.48 × 2,443.50
4. Step 4: Simplify right side
   2,568.57x = 8,646,269.77
5. Step 5: Solve for x
   x = 8,646,269.77/2,568.57
6. Step 6: Final answer
   x = 3,366.18