Finding the Fourth Proportional to 1,300.15, 1,794.18 and 710.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.15 : 1,794.18 = 710.68 : x
2. Step 2: Convert to fraction form
   1,300.15/1,794.18 = 710.68/x
3. Step 3: Cross multiply
   1,300.15x = 1,794.18 × 710.68
4. Step 4: Simplify right side
   1,300.15x = 1,275,087.84
5. Step 5: Solve for x
   x = 1,275,087.84/1,300.15
6. Step 6: Final answer
   x = 980.72