Finding the Fourth Proportional to 36,945.38, 50,982.50 and 21,839.42

Step by Step Solution

1. Step 1: Write the proportion equation
   36,945.38 : 50,982.50 = 21,839.42 : x
2. Step 2: Convert to fraction form
   36,945.38/50,982.50 = 21,839.42/x
3. Step 3: Cross multiply
   36,945.38x = 50,982.50 × 21,839.42
4. Step 4: Simplify right side
   36,945.38x = 1,113,428,230.15
5. Step 5: Solve for x
   x = 1,113,428,230.15/36,945.38
6. Step 6: Final answer
   x = 30,137.14