Finding the Fourth Proportional to 36,624.81, 50,542.24 and 19,857.81

Step by Step Solution

1. Step 1: Write the proportion equation
   36,624.81 : 50,542.24 = 19,857.81 : x
2. Step 2: Convert to fraction form
   36,624.81/50,542.24 = 19,857.81/x
3. Step 3: Cross multiply
   36,624.81x = 50,542.24 × 19,857.81
4. Step 4: Simplify right side
   36,624.81x = 1,003,658,198.89
5. Step 5: Solve for x
   x = 1,003,658,198.89/36,624.81
6. Step 6: Final answer
   x = 27,403.78