Finding the Fourth Proportional to 16,986.42, 23,440.47 and 9,433.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,986.42 : 23,440.47 = 9,433.23 : x
2. Step 2: Convert to fraction form
   16,986.42/23,440.47 = 9,433.23/x
3. Step 3: Cross multiply
   16,986.42x = 23,440.47 × 9,433.23
4. Step 4: Simplify right side
   16,986.42x = 221,119,344.82
5. Step 5: Solve for x
   x = 221,119,344.82/16,986.42
6. Step 6: Final answer
   x = 13,017.42