Finding the Fourth Proportional to 11,151.79, 16,727.60 and 2,831.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,151.79 : 16,727.60 = 2,831.83 : x
2. Step 2: Convert to fraction form
   11,151.79/16,727.60 = 2,831.83/x
3. Step 3: Cross multiply
   11,151.79x = 16,727.60 × 2,831.83
4. Step 4: Simplify right side
   11,151.79x = 47,369,684.77
5. Step 5: Solve for x
   x = 47,369,684.77/11,151.79
6. Step 6: Final answer
   x = 4,247.72