Finding the Fourth Proportional to 50,018.15, 69,017.37 and 28,793.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,018.15 : 69,017.37 = 28,793.31 : x
2. Step 2: Convert to fraction form
   50,018.15/69,017.37 = 28,793.31/x
3. Step 3: Cross multiply
   50,018.15x = 69,017.37 × 28,793.31
4. Step 4: Simplify right side
   50,018.15x = 1,987,238,529.79
5. Step 5: Solve for x
   x = 1,987,238,529.79/50,018.15
6. Step 6: Final answer
   x = 39,730.35