Finding the Fourth Proportional to 50,144.48, 69,216.72 and 28,932.20

Step by Step Solution

1. Step 1: Write the proportion equation
   50,144.48 : 69,216.72 = 28,932.20 : x
2. Step 2: Convert to fraction form
   50,144.48/69,216.72 = 28,932.20/x
3. Step 3: Cross multiply
   50,144.48x = 69,216.72 × 28,932.20
4. Step 4: Simplify right side
   50,144.48x = 2,002,591,986.38
5. Step 5: Solve for x
   x = 2,002,591,986.38/50,144.48
6. Step 6: Final answer
   x = 39,936.44