Finding the Fourth Proportional to 17,620.49, 24,316.25 and 9,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,620.49 : 24,316.25 = 9,662.72 : x
2. Step 2: Convert to fraction form
   17,620.49/24,316.25 = 9,662.72/x
3. Step 3: Cross multiply
   17,620.49x = 24,316.25 × 9,662.72
4. Step 4: Simplify right side
   17,620.49x = 234,960,945.31
5. Step 5: Solve for x
   x = 234,960,945.31/17,620.49
6. Step 6: Final answer
   x = 13,334.53