Finding the Fourth Proportional to 1,233.27, 1,702.17 and 709.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.27 : 1,702.17 = 709.59 : x
2. Step 2: Convert to fraction form
   1,233.27/1,702.17 = 709.59/x
3. Step 3: Cross multiply
   1,233.27x = 1,702.17 × 709.59
4. Step 4: Simplify right side
   1,233.27x = 1,207,842.81
5. Step 5: Solve for x
   x = 1,207,842.81/1,233.27
6. Step 6: Final answer
   x = 979.38