Finding the Fourth Proportional to 22,377.12, 30,880.41 and 12,306.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,377.12 : 30,880.41 = 12,306.24 : x
2. Step 2: Convert to fraction form
   22,377.12/30,880.41 = 12,306.24/x
3. Step 3: Cross multiply
   22,377.12x = 30,880.41 × 12,306.24
4. Step 4: Simplify right side
   22,377.12x = 380,021,736.76
5. Step 5: Solve for x
   x = 380,021,736.76/22,377.12
6. Step 6: Final answer
   x = 16,982.60