Finding the Fourth Proportional to 17,131.56, 23,639.04 and 9,576.81

Step by Step Solution

1. Step 1: Write the proportion equation
   17,131.56 : 23,639.04 = 9,576.81 : x
2. Step 2: Convert to fraction form
   17,131.56/23,639.04 = 9,576.81/x
3. Step 3: Cross multiply
   17,131.56x = 23,639.04 × 9,576.81
4. Step 4: Simplify right side
   17,131.56x = 226,386,594.66
5. Step 5: Solve for x
   x = 226,386,594.66/17,131.56
6. Step 6: Final answer
   x = 13,214.59