Finding the Fourth Proportional to 50,085.57, 69,121.44 and 28,866.27

Step by Step Solution

1. Step 1: Write the proportion equation
   50,085.57 : 69,121.44 = 28,866.27 : x
2. Step 2: Convert to fraction form
   50,085.57/69,121.44 = 28,866.27/x
3. Step 3: Cross multiply
   50,085.57x = 69,121.44 × 28,866.27
4. Step 4: Simplify right side
   50,085.57x = 1,995,278,149.83
5. Step 5: Solve for x
   x = 1,995,278,149.83/50,085.57
6. Step 6: Final answer
   x = 39,837.39