Finding the Fourth Proportional to 2,568.15, 3,854.07 and 1,108.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.15 : 3,854.07 = 1,108.35 : x
2. Step 2: Convert to fraction form
   2,568.15/3,854.07 = 1,108.35/x
3. Step 3: Cross multiply
   2,568.15x = 3,854.07 × 1,108.35
4. Step 4: Simplify right side
   2,568.15x = 4,271,658.48
5. Step 5: Solve for x
   x = 4,271,658.48/2,568.15
6. Step 6: Final answer
   x = 1,663.32