Finding the Fourth Proportional to 16,212.56, 24,322.92 and 5,118.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,212.56 : 24,322.92 = 5,118.80 : x
2. Step 2: Convert to fraction form
   16,212.56/24,322.92 = 5,118.80/x
3. Step 3: Cross multiply
   16,212.56x = 24,322.92 × 5,118.80
4. Step 4: Simplify right side
   16,212.56x = 124,504,162.90
5. Step 5: Solve for x
   x = 124,504,162.90/16,212.56
6. Step 6: Final answer
   x = 7,679.49