Finding the Fourth Proportional to 83,105.16, 124,728.20 and 33,220.48

Step by Step Solution

1. Step 1: Write the proportion equation
   83,105.16 : 124,728.20 = 33,220.48 : x
2. Step 2: Convert to fraction form
   83,105.16/124,728.20 = 33,220.48/x
3. Step 3: Cross multiply
   83,105.16x = 124,728.20 × 33,220.48
4. Step 4: Simplify right side
   83,105.16x = 4,143,530,673.54
5. Step 5: Solve for x
   x = 4,143,530,673.54/83,105.16
6. Step 6: Final answer
   x = 49,858.89