Finding the Fourth Proportional to 22,377.36, 30,880.83 and 12,306.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,377.36 : 30,880.83 = 12,306.42 : x
2. Step 2: Convert to fraction form
   22,377.36/30,880.83 = 12,306.42/x
3. Step 3: Cross multiply
   22,377.36x = 30,880.83 × 12,306.42
4. Step 4: Simplify right side
   22,377.36x = 380,032,463.93
5. Step 5: Solve for x
   x = 380,032,463.93/22,377.36
6. Step 6: Final answer
   x = 16,982.90