Finding the Fourth Proportional to 33,425.39, 50,129.89 and 13,709.59

Step by Step Solution

1. Step 1: Write the proportion equation
   33,425.39 : 50,129.89 = 13,709.59 : x
2. Step 2: Convert to fraction form
   33,425.39/50,129.89 = 13,709.59/x
3. Step 3: Cross multiply
   33,425.39x = 50,129.89 × 13,709.59
4. Step 4: Simplify right side
   33,425.39x = 687,260,079.05
5. Step 5: Solve for x
   x = 687,260,079.05/33,425.39
6. Step 6: Final answer
   x = 20,561.02