Finding the Fourth Proportional to 2,863.31, 4,294.17 and 1,108.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.31 : 4,294.17 = 1,108.49 : x
2. Step 2: Convert to fraction form
   2,863.31/4,294.17 = 1,108.49/x
3. Step 3: Cross multiply
   2,863.31x = 4,294.17 × 1,108.49
4. Step 4: Simplify right side
   2,863.31x = 4,760,023.03
5. Step 5: Solve for x
   x = 4,760,023.03/2,863.31
6. Step 6: Final answer
   x = 1,662.42