Finding the Fourth Proportional to 1,299.83, 1,793.76 and 710.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299.83 : 1,793.76 = 710.37 : x
2. Step 2: Convert to fraction form
   1,299.83/1,793.76 = 710.37/x
3. Step 3: Cross multiply
   1,299.83x = 1,793.76 × 710.37
4. Step 4: Simplify right side
   1,299.83x = 1,274,233.29
5. Step 5: Solve for x
   x = 1,274,233.29/1,299.83
6. Step 6: Final answer
   x = 980.31