Finding the Fourth Proportional to 6,216.30, 8,578.71 and 3,563.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,216.30 : 8,578.71 = 3,563.82 : x
2. Step 2: Convert to fraction form
   6,216.30/8,578.71 = 3,563.82/x
3. Step 3: Cross multiply
   6,216.30x = 8,578.71 × 3,563.82
4. Step 4: Simplify right side
   6,216.30x = 30,572,978.27
5. Step 5: Solve for x
   x = 30,572,978.27/6,216.30
6. Step 6: Final answer
   x = 4,918.20