Finding the Fourth Proportional to 6,216.89, 8,579.25 and 3,384.23

Step by Step Solution

1. Step 1: Write the proportion equation
   6,216.89 : 8,579.25 = 3,384.23 : x
2. Step 2: Convert to fraction form
   6,216.89/8,579.25 = 3,384.23/x
3. Step 3: Cross multiply
   6,216.89x = 8,579.25 × 3,384.23
4. Step 4: Simplify right side
   6,216.89x = 29,034,112.33
5. Step 5: Solve for x
   x = 29,034,112.33/6,216.89
6. Step 6: Final answer
   x = 4,670.20