Finding the Fourth Proportional to 36,081.72, 49,793.81 and 20,166.20

Step by Step Solution

1. Step 1: Write the proportion equation
   36,081.72 : 49,793.81 = 20,166.20 : x
2. Step 2: Convert to fraction form
   36,081.72/49,793.81 = 20,166.20/x
3. Step 3: Cross multiply
   36,081.72x = 49,793.81 × 20,166.20
4. Step 4: Simplify right side
   36,081.72x = 1,004,151,768.15
5. Step 5: Solve for x
   x = 1,004,151,768.15/36,081.72
6. Step 6: Final answer
   x = 27,829.93