Finding the Fourth Proportional to 22,067.30, 33,115.52 and 10,381.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,067.30 : 33,115.52 = 10,381.43 : x
2. Step 2: Convert to fraction form
   22,067.30/33,115.52 = 10,381.43/x
3. Step 3: Cross multiply
   22,067.30x = 33,115.52 × 10,381.43
4. Step 4: Simplify right side
   22,067.30x = 343,786,561.54
5. Step 5: Solve for x
   x = 343,786,561.54/22,067.30
6. Step 6: Final answer
   x = 15,579.00