Finding the Fourth Proportional to 1,300.18, 1,794.22 and 710.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.18 : 1,794.22 = 710.70 : x
2. Step 2: Convert to fraction form
   1,300.18/1,794.22 = 710.70/x
3. Step 3: Cross multiply
   1,300.18x = 1,794.22 × 710.70
4. Step 4: Simplify right side
   1,300.18x = 1,275,152.15
5. Step 5: Solve for x
   x = 1,275,152.15/1,300.18
6. Step 6: Final answer
   x = 980.75