Finding the Fourth Proportional to 33,379.38, 50,067.77 and 8,419.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,379.38 : 50,067.77 = 8,419.10 : x
2. Step 2: Convert to fraction form
   33,379.38/50,067.77 = 8,419.10/x
3. Step 3: Cross multiply
   33,379.38x = 50,067.77 × 8,419.10
4. Step 4: Simplify right side
   33,379.38x = 421,525,269.97
5. Step 5: Solve for x
   x = 421,525,269.97/33,379.38
6. Step 6: Final answer
   x = 12,628.31