Finding the Fourth Proportional to 1,300.05, 1,794.10 and 710.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.05 : 1,794.10 = 710.61 : x
2. Step 2: Convert to fraction form
   1,300.05/1,794.10 = 710.61/x
3. Step 3: Cross multiply
   1,300.05x = 1,794.10 × 710.61
4. Step 4: Simplify right side
   1,300.05x = 1,274,901.85
5. Step 5: Solve for x
   x = 1,274,901.85/1,300.05
6. Step 6: Final answer
   x = 980.66