Finding the Fourth Proportional to 33,234.80, 49,837.61 and 12,443.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,234.80 : 49,837.61 = 12,443.72 : x
2. Step 2: Convert to fraction form
   33,234.80/49,837.61 = 12,443.72/x
3. Step 3: Cross multiply
   33,234.80x = 49,837.61 × 12,443.72
4. Step 4: Simplify right side
   33,234.80x = 620,165,264.31
5. Step 5: Solve for x
   x = 620,165,264.31/33,234.80
6. Step 6: Final answer
   x = 18,660.12