Finding the Fourth Proportional to 1,082.83, 1,494.28 and 610.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.83 : 1,494.28 = 610.73 : x
2. Step 2: Convert to fraction form
   1,082.83/1,494.28 = 610.73/x
3. Step 3: Cross multiply
   1,082.83x = 1,494.28 × 610.73
4. Step 4: Simplify right side
   1,082.83x = 912,598.57
5. Step 5: Solve for x
   x = 912,598.57/1,082.83
6. Step 6: Final answer
   x = 842.79