Finding the Fourth Proportional to 2,862.51, 4,294.17 and 914.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,862.51 : 4,294.17 = 914.28 : x
2. Step 2: Convert to fraction form
   2,862.51/4,294.17 = 914.28/x
3. Step 3: Cross multiply
   2,862.51x = 4,294.17 × 914.28
4. Step 4: Simplify right side
   2,862.51x = 3,926,073.75
5. Step 5: Solve for x
   x = 3,926,073.75/2,862.51
6. Step 6: Final answer
   x = 1,371.55