Finding the Fourth Proportional to 33,087.97, 49,641.22 and 13,380.37

Step by Step Solution

1. Step 1: Write the proportion equation
   33,087.97 : 49,641.22 = 13,380.37 : x
2. Step 2: Convert to fraction form
   33,087.97/49,641.22 = 13,380.37/x
3. Step 3: Cross multiply
   33,087.97x = 49,641.22 × 13,380.37
4. Step 4: Simplify right side
   33,087.97x = 664,217,766.75
5. Step 5: Solve for x
   x = 664,217,766.75/33,087.97
6. Step 6: Final answer
   x = 20,074.30