Finding the Fourth Proportional to 33,426.50, 50,137.25 and 12,356.69

Step by Step Solution

1. Step 1: Write the proportion equation
   33,426.50 : 50,137.25 = 12,356.69 : x
2. Step 2: Convert to fraction form
   33,426.50/50,137.25 = 12,356.69/x
3. Step 3: Cross multiply
   33,426.50x = 50,137.25 × 12,356.69
4. Step 4: Simplify right side
   33,426.50x = 619,530,143.23
5. Step 5: Solve for x
   x = 619,530,143.23/33,426.50
6. Step 6: Final answer
   x = 18,534.10