Finding the Fourth Proportional to 33,958.86, 50,864.49 and 20,771.34

Step by Step Solution

1. Step 1: Write the proportion equation
   33,958.86 : 50,864.49 = 20,771.34 : x
2. Step 2: Convert to fraction form
   33,958.86/50,864.49 = 20,771.34/x
3. Step 3: Cross multiply
   33,958.86x = 50,864.49 × 20,771.34
4. Step 4: Simplify right side
   33,958.86x = 1,056,523,615.72
5. Step 5: Solve for x
   x = 1,056,523,615.72/33,958.86
6. Step 6: Final answer
   x = 31,111.87