Finding the Fourth Proportional to 2,664.27, 3,995.92 and 716.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.27 : 3,995.92 = 716.02 : x
2. Step 2: Convert to fraction form
   2,664.27/3,995.92 = 716.02/x
3. Step 3: Cross multiply
   2,664.27x = 3,995.92 × 716.02
4. Step 4: Simplify right side
   2,664.27x = 2,861,149.54
5. Step 5: Solve for x
   x = 2,861,149.54/2,664.27
6. Step 6: Final answer
   x = 1,073.90