Finding the Fourth Proportional to 33,993.72, 50,982.88 and 12,926.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,993.72 : 50,982.88 = 12,926.25 : x
2. Step 2: Convert to fraction form
   33,993.72/50,982.88 = 12,926.25/x
3. Step 3: Cross multiply
   33,993.72x = 50,982.88 × 12,926.25
4. Step 4: Simplify right side
   33,993.72x = 659,017,452.60
5. Step 5: Solve for x
   x = 659,017,452.60/33,993.72
6. Step 6: Final answer
   x = 19,386.45