Finding the Fourth Proportional to 5,304.72, 7,321.68 and 3,209.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,304.72 : 7,321.68 = 3,209.52 : x
2. Step 2: Convert to fraction form
   5,304.72/7,321.68 = 3,209.52/x
3. Step 3: Cross multiply
   5,304.72x = 7,321.68 × 3,209.52
4. Step 4: Simplify right side
   5,304.72x = 23,499,078.39
5. Step 5: Solve for x
   x = 23,499,078.39/5,304.72
6. Step 6: Final answer
   x = 4,429.84