Finding the Fourth Proportional to 1,234.56, 1,703.82 and 710.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234.56 : 1,703.82 = 710.76 : x
2. Step 2: Convert to fraction form
   1,234.56/1,703.82 = 710.76/x
3. Step 3: Cross multiply
   1,234.56x = 1,703.82 × 710.76
4. Step 4: Simplify right side
   1,234.56x = 1,211,007.10
5. Step 5: Solve for x
   x = 1,211,007.10/1,234.56
6. Step 6: Final answer
   x = 980.92