Finding the Fourth Proportional to 796.54, 1,100.56 and 708.44

Step by Step Solution

1. Step 1: Write the proportion equation
   796.54 : 1,100.56 = 708.44 : x
2. Step 2: Convert to fraction form
   796.54/1,100.56 = 708.44/x
3. Step 3: Cross multiply
   796.54x = 1,100.56 × 708.44
4. Step 4: Simplify right side
   796.54x = 779,680.73
5. Step 5: Solve for x
   x = 779,680.73/796.54
6. Step 6: Final answer
   x = 978.83