Finding the Fourth Proportional to 17,211.99, 23,752.34 and 9,659.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,211.99 : 23,752.34 = 9,659.05 : x
2. Step 2: Convert to fraction form
   17,211.99/23,752.34 = 9,659.05/x
3. Step 3: Cross multiply
   17,211.99x = 23,752.34 × 9,659.05
4. Step 4: Simplify right side
   17,211.99x = 229,424,968.22
5. Step 5: Solve for x
   x = 229,424,968.22/17,211.99
6. Step 6: Final answer
   x = 13,329.37