Finding the Fourth Proportional to 10,727.96, 16,066.55 and 5,449.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,727.96 : 16,066.55 = 5,449.88 : x
2. Step 2: Convert to fraction form
   10,727.96/16,066.55 = 5,449.88/x
3. Step 3: Cross multiply
   10,727.96x = 16,066.55 × 5,449.88
4. Step 4: Simplify right side
   10,727.96x = 87,560,823.31
5. Step 5: Solve for x
   x = 87,560,823.31/10,727.96
6. Step 6: Final answer
   x = 8,161.93