Finding the Fourth Proportional to 11,728.22, 17,593.76 and 3,831.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,728.22 : 17,593.76 = 3,831.53 : x
2. Step 2: Convert to fraction form
   11,728.22/17,593.76 = 3,831.53/x
3. Step 3: Cross multiply
   11,728.22x = 17,593.76 × 3,831.53
4. Step 4: Simplify right side
   11,728.22x = 67,410,940.86
5. Step 5: Solve for x
   x = 67,410,940.86/11,728.22
6. Step 6: Final answer
   x = 5,747.76