Finding the Fourth Proportional to 22,150.15, 33,229.42 and 7,161.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.15 : 33,229.42 = 7,161.30 : x
2. Step 2: Convert to fraction form
   22,150.15/33,229.42 = 7,161.30/x
3. Step 3: Cross multiply
   22,150.15x = 33,229.42 × 7,161.30
4. Step 4: Simplify right side
   22,150.15x = 237,965,845.45
5. Step 5: Solve for x
   x = 237,965,845.45/22,150.15
6. Step 6: Final answer
   x = 10,743.31