Finding the Fourth Proportional to 33,016.05, 49,524.12 and 13,290.03

Step by Step Solution

1. Step 1: Write the proportion equation
   33,016.05 : 49,524.12 = 13,290.03 : x
2. Step 2: Convert to fraction form
   33,016.05/49,524.12 = 13,290.03/x
3. Step 3: Cross multiply
   33,016.05x = 49,524.12 × 13,290.03
4. Step 4: Simplify right side
   33,016.05x = 658,177,040.52
5. Step 5: Solve for x
   x = 658,177,040.52/33,016.05
6. Step 6: Final answer
   x = 19,935.06