Finding the Fourth Proportional to 21,222.14, 31,838.54 and 8,067.33

Step by Step Solution

1. Step 1: Write the proportion equation
   21,222.14 : 31,838.54 = 8,067.33 : x
2. Step 2: Convert to fraction form
   21,222.14/31,838.54 = 8,067.33/x
3. Step 3: Cross multiply
   21,222.14x = 31,838.54 × 8,067.33
4. Step 4: Simplify right side
   21,222.14x = 256,851,968.56
5. Step 5: Solve for x
   x = 256,851,968.56/21,222.14
6. Step 6: Final answer
   x = 12,103.02