Finding the Fourth Proportional to 17,131.26, 23,639.33 and 9,576.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,131.26 : 23,639.33 = 9,576.80 : x
2. Step 2: Convert to fraction form
   17,131.26/23,639.33 = 9,576.80/x
3. Step 3: Cross multiply
   17,131.26x = 23,639.33 × 9,576.80
4. Step 4: Simplify right side
   17,131.26x = 226,388,969.46
5. Step 5: Solve for x
   x = 226,388,969.46/17,131.26
6. Step 6: Final answer
   x = 13,214.96