Finding the Fourth Proportional to 50,443.43, 69,614.24 and 28,939.55

Step by Step Solution

1. Step 1: Write the proportion equation
   50,443.43 : 69,614.24 = 28,939.55 : x
2. Step 2: Convert to fraction form
   50,443.43/69,614.24 = 28,939.55/x
3. Step 3: Cross multiply
   50,443.43x = 69,614.24 × 28,939.55
4. Step 4: Simplify right side
   50,443.43x = 2,014,604,286.42
5. Step 5: Solve for x
   x = 2,014,604,286.42/50,443.43
6. Step 6: Final answer
   x = 39,937.90