Finding the Fourth Proportional to 10,651.20, 15,979.89 and 4,410.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,651.20 : 15,979.89 = 4,410.06 : x
2. Step 2: Convert to fraction form
   10,651.20/15,979.89 = 4,410.06/x
3. Step 3: Cross multiply
   10,651.20x = 15,979.89 × 4,410.06
4. Step 4: Simplify right side
   10,651.20x = 70,472,273.69
5. Step 5: Solve for x
   x = 70,472,273.69/10,651.20
6. Step 6: Final answer
   x = 6,616.37