Finding the Fourth Proportional to 1,300.40, 1,794.59 and 710.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.40 : 1,794.59 = 710.99 : x
2. Step 2: Convert to fraction form
   1,300.40/1,794.59 = 710.99/x
3. Step 3: Cross multiply
   1,300.40x = 1,794.59 × 710.99
4. Step 4: Simplify right side
   1,300.40x = 1,275,935.54
5. Step 5: Solve for x
   x = 1,275,935.54/1,300.40
6. Step 6: Final answer
   x = 981.19