Finding the Fourth Proportional to 20,510.98, 30,754.31 and 8,016.53

Step by Step Solution

1. Step 1: Write the proportion equation
   20,510.98 : 30,754.31 = 8,016.53 : x
2. Step 2: Convert to fraction form
   20,510.98/30,754.31 = 8,016.53/x
3. Step 3: Cross multiply
   20,510.98x = 30,754.31 × 8,016.53
4. Step 4: Simplify right side
   20,510.98x = 246,542,654.89
5. Step 5: Solve for x
   x = 246,542,654.89/20,510.98
6. Step 6: Final answer
   x = 12,020.03