Finding the Fourth Proportional to 1,082.73, 1,494.20 and 610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.73 : 1,494.20 = 610.72 : x
2. Step 2: Convert to fraction form
   1,082.73/1,494.20 = 610.72/x
3. Step 3: Cross multiply
   1,082.73x = 1,494.20 × 610.72
4. Step 4: Simplify right side
   1,082.73x = 912,535.62
5. Step 5: Solve for x
   x = 912,535.62/1,082.73
6. Step 6: Final answer
   x = 842.81