Finding the Fourth Proportional to 36,105, 49,824.48 and 20,189.31

Step by Step Solution

1. Step 1: Write the proportion equation
   36,105 : 49,824.48 = 20,189.31 : x
2. Step 2: Convert to fraction form
   36,105/49,824.48 = 20,189.31/x
3. Step 3: Cross multiply
   36,105x = 49,824.48 × 20,189.31
4. Step 4: Simplify right side
   36,105x = 1,005,921,872.31
5. Step 5: Solve for x
   x = 1,005,921,872.31/36,105
6. Step 6: Final answer
   x = 27,861.01