Finding the Fourth Proportional to 17,216.34, 23,759.78 and 9,663.41

Step by Step Solution

1. Step 1: Write the proportion equation
   17,216.34 : 23,759.78 = 9,663.41 : x
2. Step 2: Convert to fraction form
   17,216.34/23,759.78 = 9,663.41/x
3. Step 3: Cross multiply
   17,216.34x = 23,759.78 × 9,663.41
4. Step 4: Simplify right side
   17,216.34x = 229,600,328.53
5. Step 5: Solve for x
   x = 229,600,328.53/17,216.34
6. Step 6: Final answer
   x = 13,336.19