Finding the Fourth Proportional to 2,863.78, 4,294.56 and 1,014.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.78 : 4,294.56 = 1,014.55 : x
2. Step 2: Convert to fraction form
   2,863.78/4,294.56 = 1,014.55/x
3. Step 3: Cross multiply
   2,863.78x = 4,294.56 × 1,014.55
4. Step 4: Simplify right side
   2,863.78x = 4,357,045.85
5. Step 5: Solve for x
   x = 4,357,045.85/2,863.78
6. Step 6: Final answer
   x = 1,521.43