Finding the Fourth Proportional to 33,106.37, 49,665.67 and 10,921.28

Step by Step Solution

1. Step 1: Write the proportion equation
   33,106.37 : 49,665.67 = 10,921.28 : x
2. Step 2: Convert to fraction form
   33,106.37/49,665.67 = 10,921.28/x
3. Step 3: Cross multiply
   33,106.37x = 49,665.67 × 10,921.28
4. Step 4: Simplify right side
   33,106.37x = 542,412,412.83
5. Step 5: Solve for x
   x = 542,412,412.83/33,106.37
6. Step 6: Final answer
   x = 16,383.93