Finding the Fourth Proportional to 17,620.14, 24,315.72 and 9,662.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,620.14 : 24,315.72 = 9,662.16 : x
2. Step 2: Convert to fraction form
   17,620.14/24,315.72 = 9,662.16/x
3. Step 3: Cross multiply
   17,620.14x = 24,315.72 × 9,662.16
4. Step 4: Simplify right side
   17,620.14x = 234,942,377.16
5. Step 5: Solve for x
   x = 234,942,377.16/17,620.14
6. Step 6: Final answer
   x = 13,333.74