Finding the Fourth Proportional to 50,419, 69,578.22 and 28,062.52

Step by Step Solution

1. Step 1: Write the proportion equation
   50,419 : 69,578.22 = 28,062.52 : x
2. Step 2: Convert to fraction form
   50,419/69,578.22 = 28,062.52/x
3. Step 3: Cross multiply
   50,419x = 69,578.22 × 28,062.52
4. Step 4: Simplify right side
   50,419x = 1,952,540,190.31
5. Step 5: Solve for x
   x = 1,952,540,190.31/50,419
6. Step 6: Final answer
   x = 38,726.28