Finding the Fourth Proportional to 1,083.06, 1,494.72 and 709.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.06 : 1,494.72 = 709.92 : x
2. Step 2: Convert to fraction form
   1,083.06/1,494.72 = 709.92/x
3. Step 3: Cross multiply
   1,083.06x = 1,494.72 × 709.92
4. Step 4: Simplify right side
   1,083.06x = 1,061,131.62
5. Step 5: Solve for x
   x = 1,061,131.62/1,083.06
6. Step 6: Final answer
   x = 979.75