Finding the Fourth Proportional to 2,586.26, 3,863.16 and 2,542.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586.26 : 3,863.16 = 2,542.52 : x
2. Step 2: Convert to fraction form
   2,586.26/3,863.16 = 2,542.52/x
3. Step 3: Cross multiply
   2,586.26x = 3,863.16 × 2,542.52
4. Step 4: Simplify right side
   2,586.26x = 9,822,171.22
5. Step 5: Solve for x
   x = 9,822,171.22/2,586.26
6. Step 6: Final answer
   x = 3,797.82