Finding the Fourth Proportional to 33,171.12, 49,755.06 and 12,393

Step by Step Solution

1. Step 1: Write the proportion equation
   33,171.12 : 49,755.06 = 12,393 : x
2. Step 2: Convert to fraction form
   33,171.12/49,755.06 = 12,393/x
3. Step 3: Cross multiply
   33,171.12x = 49,755.06 × 12,393
4. Step 4: Simplify right side
   33,171.12x = 616,614,458.58
5. Step 5: Solve for x
   x = 616,614,458.58/33,171.12
6. Step 6: Final answer
   x = 18,588.89