Finding the Fourth Proportional to 36,057.59, 49,751.49 and 20,743.20

Step by Step Solution

1. Step 1: Write the proportion equation
   36,057.59 : 49,751.49 = 20,743.20 : x
2. Step 2: Convert to fraction form
   36,057.59/49,751.49 = 20,743.20/x
3. Step 3: Cross multiply
   36,057.59x = 49,751.49 × 20,743.20
4. Step 4: Simplify right side
   36,057.59x = 1,032,005,109.27
5. Step 5: Solve for x
   x = 1,032,005,109.27/36,057.59
6. Step 6: Final answer
   x = 28,621.02