Finding the Fourth Proportional to 6,504.50, 8,976.17 and 3,520.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,504.50 : 8,976.17 = 3,520.31 : x
2. Step 2: Convert to fraction form
   6,504.50/8,976.17 = 3,520.31/x
3. Step 3: Cross multiply
   6,504.50x = 8,976.17 × 3,520.31
4. Step 4: Simplify right side
   6,504.50x = 31,598,895.62
5. Step 5: Solve for x
   x = 31,598,895.62/6,504.50
6. Step 6: Final answer
   x = 4,858.00