Finding the Fourth Proportional to 10,831.30, 16,228.46 and 5,892.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.30 : 16,228.46 = 5,892.12 : x
2. Step 2: Convert to fraction form
   10,831.30/16,228.46 = 5,892.12/x
3. Step 3: Cross multiply
   10,831.30x = 16,228.46 × 5,892.12
4. Step 4: Simplify right side
   10,831.30x = 95,620,033.74
5. Step 5: Solve for x
   x = 95,620,033.74/10,831.30
6. Step 6: Final answer
   x = 8,828.12