Finding the Fourth Proportional to 33,411.30, 50,120.37 and 12,356.97

Step by Step Solution

1. Step 1: Write the proportion equation
   33,411.30 : 50,120.37 = 12,356.97 : x
2. Step 2: Convert to fraction form
   33,411.30/50,120.37 = 12,356.97/x
3. Step 3: Cross multiply
   33,411.30x = 50,120.37 × 12,356.97
4. Step 4: Simplify right side
   33,411.30x = 619,335,908.48
5. Step 5: Solve for x
   x = 619,335,908.48/33,411.30
6. Step 6: Final answer
   x = 18,536.72