Finding the Fourth Proportional to 2,064.89, 3,096.48 and 831.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.89 : 3,096.48 = 831.97 : x
2. Step 2: Convert to fraction form
   2,064.89/3,096.48 = 831.97/x
3. Step 3: Cross multiply
   2,064.89x = 3,096.48 × 831.97
4. Step 4: Simplify right side
   2,064.89x = 2,576,186.04
5. Step 5: Solve for x
   x = 2,576,186.04/2,064.89
6. Step 6: Final answer
   x = 1,247.61