Finding the Fourth Proportional to 22,421.78, 30,942.27 and 12,350.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,421.78 : 30,942.27 = 12,350.27 : x
2. Step 2: Convert to fraction form
   22,421.78/30,942.27 = 12,350.27/x
3. Step 3: Cross multiply
   22,421.78x = 30,942.27 × 12,350.27
4. Step 4: Simplify right side
   22,421.78x = 382,145,234.20
5. Step 5: Solve for x
   x = 382,145,234.20/22,421.78
6. Step 6: Final answer
   x = 17,043.48