Finding the Fourth Proportional to 6,209.27, 8,569.28 and 3,557.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,209.27 : 8,569.28 = 3,557.54 : x
2. Step 2: Convert to fraction form
   6,209.27/8,569.28 = 3,557.54/x
3. Step 3: Cross multiply
   6,209.27x = 8,569.28 × 3,557.54
4. Step 4: Simplify right side
   6,209.27x = 30,485,556.37
5. Step 5: Solve for x
   x = 30,485,556.37/6,209.27
6. Step 6: Final answer
   x = 4,909.68