Finding the Fourth Proportional to 6,504.73, 8,976.54 and 3,520.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,504.73 : 8,976.54 = 3,520.59 : x
2. Step 2: Convert to fraction form
   6,504.73/8,976.54 = 3,520.59/x
3. Step 3: Cross multiply
   6,504.73x = 8,976.54 × 3,520.59
4. Step 4: Simplify right side
   6,504.73x = 31,602,654.47
5. Step 5: Solve for x
   x = 31,602,654.47/6,504.73
6. Step 6: Final answer
   x = 4,858.42