Finding the Fourth Proportional to 50,271.86, 69,355.87 and 28,757.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,271.86 : 69,355.87 = 28,757.25 : x
2. Step 2: Convert to fraction form
   50,271.86/69,355.87 = 28,757.25/x
3. Step 3: Cross multiply
   50,271.86x = 69,355.87 × 28,757.25
4. Step 4: Simplify right side
   50,271.86x = 1,994,484,020.66
5. Step 5: Solve for x
   x = 1,994,484,020.66/50,271.86
6. Step 6: Final answer
   x = 39,673.96