Finding the Fourth Proportional to 4,397.72, 6,599.34 and 3,209.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,397.72 : 6,599.34 = 3,209.52 : x
2. Step 2: Convert to fraction form
   4,397.72/6,599.34 = 3,209.52/x
3. Step 3: Cross multiply
   4,397.72x = 6,599.34 × 3,209.52
4. Step 4: Simplify right side
   4,397.72x = 21,180,713.72
5. Step 5: Solve for x
   x = 21,180,713.72/4,397.72
6. Step 6: Final answer
   x = 4,816.29