Finding the Fourth Proportional to 1,082.88, 1,494.27 and 709.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.88 : 1,494.27 = 709.97 : x
2. Step 2: Convert to fraction form
   1,082.88/1,494.27 = 709.97/x
3. Step 3: Cross multiply
   1,082.88x = 1,494.27 × 709.97
4. Step 4: Simplify right side
   1,082.88x = 1,060,879.40
5. Step 5: Solve for x
   x = 1,060,879.40/1,082.88
6. Step 6: Final answer
   x = 979.68