Finding the Fourth Proportional to 33,714.50, 50,578.25 and 12,936.38

Step by Step Solution

1. Step 1: Write the proportion equation
   33,714.50 : 50,578.25 = 12,936.38 : x
2. Step 2: Convert to fraction form
   33,714.50/50,578.25 = 12,936.38/x
3. Step 3: Cross multiply
   33,714.50x = 50,578.25 × 12,936.38
4. Step 4: Simplify right side
   33,714.50x = 654,299,144.16
5. Step 5: Solve for x
   x = 654,299,144.16/33,714.50
6. Step 6: Final answer
   x = 19,407.06