Finding the Fourth Proportional to 17,028.56, 23,499.52 and 9,576.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,028.56 : 23,499.52 = 9,576.56 : x
2. Step 2: Convert to fraction form
   17,028.56/23,499.52 = 9,576.56/x
3. Step 3: Cross multiply
   17,028.56x = 23,499.52 × 9,576.56
4. Step 4: Simplify right side
   17,028.56x = 225,044,598.06
5. Step 5: Solve for x
   x = 225,044,598.06/17,028.56
6. Step 6: Final answer
   x = 13,215.71