Finding the Fourth Proportional to 16,993.98, 23,450.90 and 9,440.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,993.98 : 23,450.90 = 9,440.80 : x
2. Step 2: Convert to fraction form
   16,993.98/23,450.90 = 9,440.80/x
3. Step 3: Cross multiply
   16,993.98x = 23,450.90 × 9,440.80
4. Step 4: Simplify right side
   16,993.98x = 221,395,256.72
5. Step 5: Solve for x
   x = 221,395,256.72/16,993.98
6. Step 6: Final answer
   x = 13,027.86