Finding the Fourth Proportional to 33,997.73, 51,006.79 and 13,724.05

Step by Step Solution

1. Step 1: Write the proportion equation
   33,997.73 : 51,006.79 = 13,724.05 : x
2. Step 2: Convert to fraction form
   33,997.73/51,006.79 = 13,724.05/x
3. Step 3: Cross multiply
   33,997.73x = 51,006.79 × 13,724.05
4. Step 4: Simplify right side
   33,997.73x = 700,019,667.68
5. Step 5: Solve for x
   x = 700,019,667.68/33,997.73
6. Step 6: Final answer
   x = 20,590.19