Finding the Fourth Proportional to 10,999.69, 15,179.69 and 5,963.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,999.69 : 15,179.69 = 5,963.92 : x
2. Step 2: Convert to fraction form
   10,999.69/15,179.69 = 5,963.92/x
3. Step 3: Cross multiply
   10,999.69x = 15,179.69 × 5,963.92
4. Step 4: Simplify right side
   10,999.69x = 90,530,456.78
5. Step 5: Solve for x
   x = 90,530,456.78/10,999.69
6. Step 6: Final answer
   x = 8,230.27