Finding the Fourth Proportional to 10,786.42, 16,182.24 and 5,519.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,786.42 : 16,182.24 = 5,519.26 : x
2. Step 2: Convert to fraction form
   10,786.42/16,182.24 = 5,519.26/x
3. Step 3: Cross multiply
   10,786.42x = 16,182.24 × 5,519.26
4. Step 4: Simplify right side
   10,786.42x = 89,313,989.94
5. Step 5: Solve for x
   x = 89,313,989.94/10,786.42
6. Step 6: Final answer
   x = 8,280.23