Finding the Fourth Proportional to 22,155.05, 33,221.48 and 7,358.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,155.05 : 33,221.48 = 7,358.78 : x
2. Step 2: Convert to fraction form
   22,155.05/33,221.48 = 7,358.78/x
3. Step 3: Cross multiply
   22,155.05x = 33,221.48 × 7,358.78
4. Step 4: Simplify right side
   22,155.05x = 244,469,608.85
5. Step 5: Solve for x
   x = 244,469,608.85/22,155.05
6. Step 6: Final answer
   x = 11,034.49