Finding the Fourth Proportional to 22,105.38, 30,514.83 and 13,153.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.38 : 30,514.83 = 13,153.71 : x
2. Step 2: Convert to fraction form
   22,105.38/30,514.83 = 13,153.71/x
3. Step 3: Cross multiply
   22,105.38x = 30,514.83 × 13,153.71
4. Step 4: Simplify right side
   22,105.38x = 401,383,224.52
5. Step 5: Solve for x
   x = 401,383,224.52/22,105.38
6. Step 6: Final answer
   x = 18,157.72