Finding the Fourth Proportional to 33,468.72, 50,169.06 and 20,997.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,468.72 : 50,169.06 = 20,997.42 : x
2. Step 2: Convert to fraction form
   33,468.72/50,169.06 = 20,997.42/x
3. Step 3: Cross multiply
   33,468.72x = 50,169.06 × 20,997.42
4. Step 4: Simplify right side
   33,468.72x = 1,053,420,823.83
5. Step 5: Solve for x
   x = 1,053,420,823.83/33,468.72
6. Step 6: Final answer
   x = 31,474.79