Finding the Fourth Proportional to 22,227.37, 30,672.79 and 12,669.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,227.37 : 30,672.79 = 12,669.33 : x
2. Step 2: Convert to fraction form
   22,227.37/30,672.79 = 12,669.33/x
3. Step 3: Cross multiply
   22,227.37x = 30,672.79 × 12,669.33
4. Step 4: Simplify right side
   22,227.37x = 388,603,698.53
5. Step 5: Solve for x
   x = 388,603,698.53/22,227.37
6. Step 6: Final answer
   x = 17,483.12