Finding the Fourth Proportional to 17,365.80, 23,964.72 and 9,408.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,365.80 : 23,964.72 = 9,408.05 : x
2. Step 2: Convert to fraction form
   17,365.80/23,964.72 = 9,408.05/x
3. Step 3: Cross multiply
   17,365.80x = 23,964.72 × 9,408.05
4. Step 4: Simplify right side
   17,365.80x = 225,461,284.00
5. Step 5: Solve for x
   x = 225,461,284.00/17,365.80
6. Step 6: Final answer
   x = 12,983.06