Finding the Fourth Proportional to 2,258.18, 3,387.25 and 614.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.18 : 3,387.25 = 614.70 : x
2. Step 2: Convert to fraction form
   2,258.18/3,387.25 = 614.70/x
3. Step 3: Cross multiply
   2,258.18x = 3,387.25 × 614.70
4. Step 4: Simplify right side
   2,258.18x = 2,082,139.89
5. Step 5: Solve for x
   x = 2,082,139.89/2,258.18
6. Step 6: Final answer
   x = 922.04