Finding the Fourth Proportional to 5,456.72, 7,530.52 and 3,218.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.72 : 7,530.52 = 3,218.69 : x
2. Step 2: Convert to fraction form
   5,456.72/7,530.52 = 3,218.69/x
3. Step 3: Cross multiply
   5,456.72x = 7,530.52 × 3,218.69
4. Step 4: Simplify right side
   5,456.72x = 24,238,363.72
5. Step 5: Solve for x
   x = 24,238,363.72/5,456.72
6. Step 6: Final answer
   x = 4,441.93