Finding the Fourth Proportional to 16,700.20, 23,045.46 and 9,626.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,700.20 : 23,045.46 = 9,626.72 : x
2. Step 2: Convert to fraction form
   16,700.20/23,045.46 = 9,626.72/x
3. Step 3: Cross multiply
   16,700.20x = 23,045.46 × 9,626.72
4. Step 4: Simplify right side
   16,700.20x = 221,852,190.69
5. Step 5: Solve for x
   x = 221,852,190.69/16,700.20
6. Step 6: Final answer
   x = 13,284.40