Finding the Fourth Proportional to 2,064.29, 3,096.53 and 831.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.29 : 3,096.53 = 831.53 : x
2. Step 2: Convert to fraction form
   2,064.29/3,096.53 = 831.53/x
3. Step 3: Cross multiply
   2,064.29x = 3,096.53 × 831.53
4. Step 4: Simplify right side
   2,064.29x = 2,574,859.67
5. Step 5: Solve for x
   x = 2,574,859.67/2,064.29
6. Step 6: Final answer
   x = 1,247.34