Finding the Fourth Proportional to 1,300.23, 1,794.34 and 710.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.23 : 1,794.34 = 710.77 : x
2. Step 2: Convert to fraction form
   1,300.23/1,794.34 = 710.77/x
3. Step 3: Cross multiply
   1,300.23x = 1,794.34 × 710.77
4. Step 4: Simplify right side
   1,300.23x = 1,275,359.47
5. Step 5: Solve for x
   x = 1,275,359.47/1,300.23
6. Step 6: Final answer
   x = 980.87