Finding the Fourth Proportional to 10,923.12, 16,383.06 and 3,996

Step by Step Solution

1. Step 1: Write the proportion equation
   10,923.12 : 16,383.06 = 3,996 : x
2. Step 2: Convert to fraction form
   10,923.12/16,383.06 = 3,996/x
3. Step 3: Cross multiply
   10,923.12x = 16,383.06 × 3,996
4. Step 4: Simplify right side
   10,923.12x = 65,466,707.76
5. Step 5: Solve for x
   x = 65,466,707.76/10,923.12
6. Step 6: Final answer
   x = 5,993.41