Finding the Fourth Proportional to 16,993.43, 23,450.60 and 9,439.41

Step by Step Solution

1. Step 1: Write the proportion equation
   16,993.43 : 23,450.60 = 9,439.41 : x
2. Step 2: Convert to fraction form
   16,993.43/23,450.60 = 9,439.41/x
3. Step 3: Cross multiply
   16,993.43x = 23,450.60 × 9,439.41
4. Step 4: Simplify right side
   16,993.43x = 221,359,868.89
5. Step 5: Solve for x
   x = 221,359,868.89/16,993.43
6. Step 6: Final answer
   x = 13,026.21