Finding the Fourth Proportional to 10,831.30, 16,244.52 and 4,982.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.30 : 16,244.52 = 4,982.30 : x
2. Step 2: Convert to fraction form
   10,831.30/16,244.52 = 4,982.30/x
3. Step 3: Cross multiply
   10,831.30x = 16,244.52 × 4,982.30
4. Step 4: Simplify right side
   10,831.30x = 80,935,072.00
5. Step 5: Solve for x
   x = 80,935,072.00/10,831.30
6. Step 6: Final answer
   x = 7,472.33