Finding the Fourth Proportional to 36,105.47, 49,825.70 and 20,189.91

Step by Step Solution

1. Step 1: Write the proportion equation
   36,105.47 : 49,825.70 = 20,189.91 : x
2. Step 2: Convert to fraction form
   36,105.47/49,825.70 = 20,189.91/x
3. Step 3: Cross multiply
   36,105.47x = 49,825.70 × 20,189.91
4. Step 4: Simplify right side
   36,105.47x = 1,005,976,398.69
5. Step 5: Solve for x
   x = 1,005,976,398.69/36,105.47
6. Step 6: Final answer
   x = 27,862.16