Finding the Fourth Proportional to 17,664.91, 24,377.59 and 9,707.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,664.91 : 24,377.59 = 9,707.60 : x
2. Step 2: Convert to fraction form
   17,664.91/24,377.59 = 9,707.60/x
3. Step 3: Cross multiply
   17,664.91x = 24,377.59 × 9,707.60
4. Step 4: Simplify right side
   17,664.91x = 236,647,965.76
5. Step 5: Solve for x
   x = 236,647,965.76/17,664.91
6. Step 6: Final answer
   x = 13,396.50