Finding the Fourth Proportional to 1,300.11, 1,794.15 and 710.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.11 : 1,794.15 = 710.65 : x
2. Step 2: Convert to fraction form
   1,300.11/1,794.15 = 710.65/x
3. Step 3: Cross multiply
   1,300.11x = 1,794.15 × 710.65
4. Step 4: Simplify right side
   1,300.11x = 1,275,003.73
5. Step 5: Solve for x
   x = 1,275,003.73/1,300.11
6. Step 6: Final answer
   x = 980.69