Finding the Fourth Proportional to 50,398.88, 69,550.52 and 28,042.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,398.88 : 69,550.52 = 28,042.88 : x
2. Step 2: Convert to fraction form
   50,398.88/69,550.52 = 28,042.88/x
3. Step 3: Cross multiply
   50,398.88x = 69,550.52 × 28,042.88
4. Step 4: Simplify right side
   50,398.88x = 1,950,396,398.33
5. Step 5: Solve for x
   x = 1,950,396,398.33/50,398.88
6. Step 6: Final answer
   x = 38,699.21