Finding the Fourth Proportional to 36,019.52, 49,707.47 and 20,105.18

Step by Step Solution

1. Step 1: Write the proportion equation
   36,019.52 : 49,707.47 = 20,105.18 : x
2. Step 2: Convert to fraction form
   36,019.52/49,707.47 = 20,105.18/x
3. Step 3: Cross multiply
   36,019.52x = 49,707.47 × 20,105.18
4. Step 4: Simplify right side
   36,019.52x = 999,377,631.69
5. Step 5: Solve for x
   x = 999,377,631.69/36,019.52
6. Step 6: Final answer
   x = 27,745.45