Finding the Fourth Proportional to 10,665, 14,717.72 and 5,949.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665 : 14,717.72 = 5,949.56 : x
2. Step 2: Convert to fraction form
   10,665/14,717.72 = 5,949.56/x
3. Step 3: Cross multiply
   10,665x = 14,717.72 × 5,949.56
4. Step 4: Simplify right side
   10,665x = 87,563,958.20
5. Step 5: Solve for x
   x = 87,563,958.20/10,665
6. Step 6: Final answer
   x = 8,210.40