Finding the Fourth Proportional to 33,382.38, 50,072.27 and 8,422.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,382.38 : 50,072.27 = 8,422.10 : x
2. Step 2: Convert to fraction form
   33,382.38/50,072.27 = 8,422.10/x
3. Step 3: Cross multiply
   33,382.38x = 50,072.27 × 8,422.10
4. Step 4: Simplify right side
   33,382.38x = 421,713,372.70
5. Step 5: Solve for x
   x = 421,713,372.70/33,382.38
6. Step 6: Final answer
   x = 12,632.81