Finding the Fourth Proportional to 10,796.28, 16,183.62 and 9,309.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,796.28 : 16,183.62 = 9,309.48 : x
2. Step 2: Convert to fraction form
   10,796.28/16,183.62 = 9,309.48/x
3. Step 3: Cross multiply
   10,796.28x = 16,183.62 × 9,309.48
4. Step 4: Simplify right side
   10,796.28x = 150,661,086.72
5. Step 5: Solve for x
   x = 150,661,086.72/10,796.28
6. Step 6: Final answer
   x = 13,954.91