Finding the Fourth Proportional to 1,234.79, 1,704.17 and 710.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234.79 : 1,704.17 = 710.82 : x
2. Step 2: Convert to fraction form
   1,234.79/1,704.17 = 710.82/x
3. Step 3: Cross multiply
   1,234.79x = 1,704.17 × 710.82
4. Step 4: Simplify right side
   1,234.79x = 1,211,354.57
5. Step 5: Solve for x
   x = 1,211,354.57/1,234.79
6. Step 6: Final answer
   x = 981.02