Finding the Fourth Proportional to 10,831.20, 16,248.83 and 3,433.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.20 : 16,248.83 = 3,433.67 : x
2. Step 2: Convert to fraction form
   10,831.20/16,248.83 = 3,433.67/x
3. Step 3: Cross multiply
   10,831.20x = 16,248.83 × 3,433.67
4. Step 4: Simplify right side
   10,831.20x = 55,793,021.69
5. Step 5: Solve for x
   x = 55,793,021.69/10,831.20
6. Step 6: Final answer
   x = 5,151.14