Finding the Fourth Proportional to 10,723.20, 16,074.72 and 5,527.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,723.20 : 16,074.72 = 5,527.68 : x
2. Step 2: Convert to fraction form
   10,723.20/16,074.72 = 5,527.68/x
3. Step 3: Cross multiply
   10,723.20x = 16,074.72 × 5,527.68
4. Step 4: Simplify right side
   10,723.20x = 88,855,908.25
5. Step 5: Solve for x
   x = 88,855,908.25/10,723.20
6. Step 6: Final answer
   x = 8,286.32