Finding the Fourth Proportional to 33,112.33, 49,553.91 and 20,456.89

Step by Step Solution

1. Step 1: Write the proportion equation
   33,112.33 : 49,553.91 = 20,456.89 : x
2. Step 2: Convert to fraction form
   33,112.33/49,553.91 = 20,456.89/x
3. Step 3: Cross multiply
   33,112.33x = 49,553.91 × 20,456.89
4. Step 4: Simplify right side
   33,112.33x = 1,013,718,885.94
5. Step 5: Solve for x
   x = 1,013,718,885.94/33,112.33
6. Step 6: Final answer
   x = 30,614.54