Finding the Fourth Proportional to 33,429.83, 50,144.34 and 8,129.48

Step by Step Solution

1. Step 1: Write the proportion equation
   33,429.83 : 50,144.34 = 8,129.48 : x
2. Step 2: Convert to fraction form
   33,429.83/50,144.34 = 8,129.48/x
3. Step 3: Cross multiply
   33,429.83x = 50,144.34 × 8,129.48
4. Step 4: Simplify right side
   33,429.83x = 407,647,158.42
5. Step 5: Solve for x
   x = 407,647,158.42/33,429.83
6. Step 6: Final answer
   x = 12,194.12