Finding the Fourth Proportional to 36,145.98, 49,879.50 and 20,227.35

Step by Step Solution

1. Step 1: Write the proportion equation
   36,145.98 : 49,879.50 = 20,227.35 : x
2. Step 2: Convert to fraction form
   36,145.98/49,879.50 = 20,227.35/x
3. Step 3: Cross multiply
   36,145.98x = 49,879.50 × 20,227.35
4. Step 4: Simplify right side
   36,145.98x = 1,008,930,215.52
5. Step 5: Solve for x
   x = 1,008,930,215.52/36,145.98
6. Step 6: Final answer
   x = 27,912.65