Finding the Fourth Proportional to 33,642.43, 50,469.59 and 13,909.93

Step by Step Solution

1. Step 1: Write the proportion equation
   33,642.43 : 50,469.59 = 13,909.93 : x
2. Step 2: Convert to fraction form
   33,642.43/50,469.59 = 13,909.93/x
3. Step 3: Cross multiply
   33,642.43x = 50,469.59 × 13,909.93
4. Step 4: Simplify right side
   33,642.43x = 702,028,464.03
5. Step 5: Solve for x
   x = 702,028,464.03/33,642.43
6. Step 6: Final answer
   x = 20,867.35