Finding the Fourth Proportional to 1,233.96, 1,702.89 and 710.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.96 : 1,702.89 = 710.03 : x
2. Step 2: Convert to fraction form
   1,233.96/1,702.89 = 710.03/x
3. Step 3: Cross multiply
   1,233.96x = 1,702.89 × 710.03
4. Step 4: Simplify right side
   1,233.96x = 1,209,094.47
5. Step 5: Solve for x
   x = 1,209,094.47/1,233.96
6. Step 6: Final answer
   x = 979.85