Finding the Fourth Proportional to 10,665.72, 14,718.24 and 5,949.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.72 : 14,718.24 = 5,949.90 : x
2. Step 2: Convert to fraction form
   10,665.72/14,718.24 = 5,949.90/x
3. Step 3: Cross multiply
   10,665.72x = 14,718.24 × 5,949.90
4. Step 4: Simplify right side
   10,665.72x = 87,572,056.18
5. Step 5: Solve for x
   x = 87,572,056.18/10,665.72
6. Step 6: Final answer
   x = 8,210.61