Finding the Fourth Proportional to 8,086.92, 11,163.78 and 5,436.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.92 : 11,163.78 = 5,436.24 : x
2. Step 2: Convert to fraction form
   8,086.92/11,163.78 = 5,436.24/x
3. Step 3: Cross multiply
   8,086.92x = 11,163.78 × 5,436.24
4. Step 4: Simplify right side
   8,086.92x = 60,688,987.39
5. Step 5: Solve for x
   x = 60,688,987.39/8,086.92
6. Step 6: Final answer
   x = 7,504.59