Finding the Fourth Proportional to 36,076.47, 49,784.59 and 20,161.05

Step by Step Solution

1. Step 1: Write the proportion equation
   36,076.47 : 49,784.59 = 20,161.05 : x
2. Step 2: Convert to fraction form
   36,076.47/49,784.59 = 20,161.05/x
3. Step 3: Cross multiply
   36,076.47x = 49,784.59 × 20,161.05
4. Step 4: Simplify right side
   36,076.47x = 1,003,709,608.22
5. Step 5: Solve for x
   x = 1,003,709,608.22/36,076.47
6. Step 6: Final answer
   x = 27,821.72