Finding the Fourth Proportional to 33,105.46, 49,658.07 and 13,383.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,105.46 : 49,658.07 = 13,383.78 : x
2. Step 2: Convert to fraction form
   33,105.46/49,658.07 = 13,383.78/x
3. Step 3: Cross multiply
   33,105.46x = 49,658.07 × 13,383.78
4. Step 4: Simplify right side
   33,105.46x = 664,612,684.10
5. Step 5: Solve for x
   x = 664,612,684.10/33,105.46
6. Step 6: Final answer
   x = 20,075.62