Finding the Fourth Proportional to 50,021.91, 69,022.56 and 28,797.06

Step by Step Solution

1. Step 1: Write the proportion equation
   50,021.91 : 69,022.56 = 28,797.06 : x
2. Step 2: Convert to fraction form
   50,021.91/69,022.56 = 28,797.06/x
3. Step 3: Cross multiply
   50,021.91x = 69,022.56 × 28,797.06
4. Step 4: Simplify right side
   50,021.91x = 1,987,646,801.67
5. Step 5: Solve for x
   x = 1,987,646,801.67/50,021.91
6. Step 6: Final answer
   x = 39,735.52