Finding the Fourth Proportional to 5,676.48, 8,509.86 and 3,724.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,676.48 : 8,509.86 = 3,724.38 : x
2. Step 2: Convert to fraction form
   5,676.48/8,509.86 = 3,724.38/x
3. Step 3: Cross multiply
   5,676.48x = 8,509.86 × 3,724.38
4. Step 4: Simplify right side
   5,676.48x = 31,693,952.39
5. Step 5: Solve for x
   x = 31,693,952.39/5,676.48
6. Step 6: Final answer
   x = 5,583.38