Finding the Fourth Proportional to 6,563.61, 9,057.83 and 3,579.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,563.61 : 9,057.83 = 3,579.49 : x
2. Step 2: Convert to fraction form
   6,563.61/9,057.83 = 3,579.49/x
3. Step 3: Cross multiply
   6,563.61x = 9,057.83 × 3,579.49
4. Step 4: Simplify right side
   6,563.61x = 32,422,411.91
5. Step 5: Solve for x
   x = 32,422,411.91/6,563.61
6. Step 6: Final answer
   x = 4,939.72