Finding the Fourth Proportional to 16,986.98, 23,441.24 and 9,433.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,986.98 : 23,441.24 = 9,433.80 : x
2. Step 2: Convert to fraction form
   16,986.98/23,441.24 = 9,433.80/x
3. Step 3: Cross multiply
   16,986.98x = 23,441.24 × 9,433.80
4. Step 4: Simplify right side
   16,986.98x = 221,139,993.50
5. Step 5: Solve for x
   x = 221,139,993.50/16,986.98
6. Step 6: Final answer
   x = 13,018.20