Finding the Fourth Proportional to 36,621.72, 50,537.88 and 19,854.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,621.72 : 50,537.88 = 19,854.72 : x
2. Step 2: Convert to fraction form
   36,621.72/50,537.88 = 19,854.72/x
3. Step 3: Cross multiply
   36,621.72x = 50,537.88 × 19,854.72
4. Step 4: Simplify right side
   36,621.72x = 1,003,415,456.79
5. Step 5: Solve for x
   x = 1,003,415,456.79/36,621.72
6. Step 6: Final answer
   x = 27,399.46