Finding the Fourth Proportional to 2,568.45, 3,538.32 and 2,443.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.45 : 3,538.32 = 2,443.39 : x
2. Step 2: Convert to fraction form
   2,568.45/3,538.32 = 2,443.39/x
3. Step 3: Cross multiply
   2,568.45x = 3,538.32 × 2,443.39
4. Step 4: Simplify right side
   2,568.45x = 8,645,486.86
5. Step 5: Solve for x
   x = 8,645,486.86/2,568.45
6. Step 6: Final answer
   x = 3,366.03