Finding the Fourth Proportional to 2,862.17, 4,293.72 and 914.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,862.17 : 4,293.72 = 914.25 : x
2. Step 2: Convert to fraction form
   2,862.17/4,293.72 = 914.25/x
3. Step 3: Cross multiply
   2,862.17x = 4,293.72 × 914.25
4. Step 4: Simplify right side
   2,862.17x = 3,925,533.51
5. Step 5: Solve for x
   x = 3,925,533.51/2,862.17
6. Step 6: Final answer
   x = 1,371.53