Finding the Fourth Proportional to 2,866.78, 4,300.42 and 1,017.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.78 : 4,300.42 = 1,017.44 : x
2. Step 2: Convert to fraction form
   2,866.78/4,300.42 = 1,017.44/x
3. Step 3: Cross multiply
   2,866.78x = 4,300.42 × 1,017.44
4. Step 4: Simplify right side
   2,866.78x = 4,375,419.32
5. Step 5: Solve for x
   x = 4,375,419.32/2,866.78
6. Step 6: Final answer
   x = 1,526.25