Finding the Fourth Proportional to 22,150.72, 33,161.28 and 19,179.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.72 : 33,161.28 = 19,179.68 : x
2. Step 2: Convert to fraction form
   22,150.72/33,161.28 = 19,179.68/x
3. Step 3: Cross multiply
   22,150.72x = 33,161.28 × 19,179.68
4. Step 4: Simplify right side
   22,150.72x = 636,022,738.79
5. Step 5: Solve for x
   x = 636,022,738.79/22,150.72
6. Step 6: Final answer
   x = 28,713.41