Finding the Fourth Proportional to 6,216.73, 8,578.83 and 3,563.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,216.73 : 8,578.83 = 3,563.98 : x
2. Step 2: Convert to fraction form
   6,216.73/8,578.83 = 3,563.98/x
3. Step 3: Cross multiply
   6,216.73x = 8,578.83 × 3,563.98
4. Step 4: Simplify right side
   6,216.73x = 30,574,778.54
5. Step 5: Solve for x
   x = 30,574,778.54/6,216.73
6. Step 6: Final answer
   x = 4,918.14