Finding the Fourth Proportional to 3,783.27, 5,636.89 and 3,571.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783.27 : 5,636.89 = 3,571.09 : x
2. Step 2: Convert to fraction form
   3,783.27/5,636.89 = 3,571.09/x
3. Step 3: Cross multiply
   3,783.27x = 5,636.89 × 3,571.09
4. Step 4: Simplify right side
   3,783.27x = 20,129,831.88
5. Step 5: Solve for x
   x = 20,129,831.88/3,783.27
6. Step 6: Final answer
   x = 5,320.74