Finding the Fourth Proportional to 6,216.27, 8,578.89 and 3,564.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,216.27 : 8,578.89 = 3,564.33 : x
2. Step 2: Convert to fraction form
   6,216.27/8,578.89 = 3,564.33/x
3. Step 3: Cross multiply
   6,216.27x = 8,578.89 × 3,564.33
4. Step 4: Simplify right side
   6,216.27x = 30,577,994.99
5. Step 5: Solve for x
   x = 30,577,994.99/6,216.27
6. Step 6: Final answer
   x = 4,919.03