Finding the Fourth Proportional to 1,300.17, 1,794.20 and 710.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.17 : 1,794.20 = 710.71 : x
2. Step 2: Convert to fraction form
   1,300.17/1,794.20 = 710.71/x
3. Step 3: Cross multiply
   1,300.17x = 1,794.20 × 710.71
4. Step 4: Simplify right side
   1,300.17x = 1,275,155.88
5. Step 5: Solve for x
   x = 1,275,155.88/1,300.17
6. Step 6: Final answer
   x = 980.76