Finding the Fourth Proportional to 33,087.30, 49,626.09 and 13,365.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,087.30 : 49,626.09 = 13,365.42 : x
2. Step 2: Convert to fraction form
   33,087.30/49,626.09 = 13,365.42/x
3. Step 3: Cross multiply
   33,087.30x = 49,626.09 × 13,365.42
4. Step 4: Simplify right side
   33,087.30x = 663,273,535.81
5. Step 5: Solve for x
   x = 663,273,535.81/33,087.30
6. Step 6: Final answer
   x = 20,046.17