Finding the Fourth Proportional to 1,082.91, 1,494.32 and 617.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.91 : 1,494.32 = 617.25 : x
2. Step 2: Convert to fraction form
   1,082.91/1,494.32 = 617.25/x
3. Step 3: Cross multiply
   1,082.91x = 1,494.32 × 617.25
4. Step 4: Simplify right side
   1,082.91x = 922,365.93
5. Step 5: Solve for x
   x = 922,365.93/1,082.91
6. Step 6: Final answer
   x = 851.75