Finding the Fourth Proportional to 6,504.72, 8,976.52 and 3,520.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,504.72 : 8,976.52 = 3,520.56 : x
2. Step 2: Convert to fraction form
   6,504.72/8,976.52 = 3,520.56/x
3. Step 3: Cross multiply
   6,504.72x = 8,976.52 × 3,520.56
4. Step 4: Simplify right side
   6,504.72x = 31,602,377.25
5. Step 5: Solve for x
   x = 31,602,377.25/6,504.72
6. Step 6: Final answer
   x = 4,858.38