Finding the Fourth Proportional to 22,013.91, 30,379.32 and 11,942.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,013.91 : 30,379.32 = 11,942.37 : x
2. Step 2: Convert to fraction form
   22,013.91/30,379.32 = 11,942.37/x
3. Step 3: Cross multiply
   22,013.91x = 30,379.32 × 11,942.37
4. Step 4: Simplify right side
   22,013.91x = 362,801,079.79
5. Step 5: Solve for x
   x = 362,801,079.79/22,013.91
6. Step 6: Final answer
   x = 16,480.54