Finding the Fourth Proportional to 17,673.92, 24,390.18 and 9,716.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,673.92 : 24,390.18 = 9,716.20 : x
2. Step 2: Convert to fraction form
   17,673.92/24,390.18 = 9,716.20/x
3. Step 3: Cross multiply
   17,673.92x = 24,390.18 × 9,716.20
4. Step 4: Simplify right side
   17,673.92x = 236,979,902.15
5. Step 5: Solve for x
   x = 236,979,902.15/17,673.92
6. Step 6: Final answer
   x = 13,408.45