Finding the Fourth Proportional to 33,581.97, 50,340.15 and 13,874.31

Step by Step Solution

1. Step 1: Write the proportion equation
   33,581.97 : 50,340.15 = 13,874.31 : x
2. Step 2: Convert to fraction form
   33,581.97/50,340.15 = 13,874.31/x
3. Step 3: Cross multiply
   33,581.97x = 50,340.15 × 13,874.31
4. Step 4: Simplify right side
   33,581.97x = 698,434,846.55
5. Step 5: Solve for x
   x = 698,434,846.55/33,581.97
6. Step 6: Final answer
   x = 20,797.91