Finding the Fourth Proportional to 22,440.30, 30,967.82 and 12,369.11

Step by Step Solution

1. Step 1: Write the proportion equation
   22,440.30 : 30,967.82 = 12,369.11 : x
2. Step 2: Convert to fraction form
   22,440.30/30,967.82 = 12,369.11/x
3. Step 3: Cross multiply
   22,440.30x = 30,967.82 × 12,369.11
4. Step 4: Simplify right side
   22,440.30x = 383,044,480.38
5. Step 5: Solve for x
   x = 383,044,480.38/22,440.30
6. Step 6: Final answer
   x = 17,069.49