Finding the Fourth Proportional to 16,517.46, 24,777.81 and 5,424.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,517.46 : 24,777.81 = 5,424.18 : x
2. Step 2: Convert to fraction form
   16,517.46/24,777.81 = 5,424.18/x
3. Step 3: Cross multiply
   16,517.46x = 24,777.81 × 5,424.18
4. Step 4: Simplify right side
   16,517.46x = 134,399,301.45
5. Step 5: Solve for x
   x = 134,399,301.45/16,517.46
6. Step 6: Final answer
   x = 8,136.80