Finding the Fourth Proportional to 5,500.72, 8,249.04 and 2,212.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,500.72 : 8,249.04 = 2,212.69 : x
2. Step 2: Convert to fraction form
   5,500.72/8,249.04 = 2,212.69/x
3. Step 3: Cross multiply
   5,500.72x = 8,249.04 × 2,212.69
4. Step 4: Simplify right side
   5,500.72x = 18,252,568.32
5. Step 5: Solve for x
   x = 18,252,568.32/5,500.72
6. Step 6: Final answer
   x = 3,318.21