Finding the Fourth Proportional to 17,620.91, 24,317.56 and 9,663.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,620.91 : 24,317.56 = 9,663.42 : x
2. Step 2: Convert to fraction form
   17,620.91/24,317.56 = 9,663.42/x
3. Step 3: Cross multiply
   17,620.91x = 24,317.56 × 9,663.42
4. Step 4: Simplify right side
   17,620.91x = 234,990,795.66
5. Step 5: Solve for x
   x = 234,990,795.66/17,620.91
6. Step 6: Final answer
   x = 13,335.91