Finding the Fourth Proportional to 1,062.70, 1,467.04 and 708.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.70 : 1,467.04 = 708.83 : x
2. Step 2: Convert to fraction form
   1,062.70/1,467.04 = 708.83/x
3. Step 3: Cross multiply
   1,062.70x = 1,467.04 × 708.83
4. Step 4: Simplify right side
   1,062.70x = 1,039,872.86
5. Step 5: Solve for x
   x = 1,039,872.86/1,062.70
6. Step 6: Final answer
   x = 978.52