Finding the Fourth Proportional to 17,173.27, 23,699.41 and 9,619.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,173.27 : 23,699.41 = 9,619.53 : x
2. Step 2: Convert to fraction form
   17,173.27/23,699.41 = 9,619.53/x
3. Step 3: Cross multiply
   17,173.27x = 23,699.41 × 9,619.53
4. Step 4: Simplify right side
   17,173.27x = 227,977,137.38
5. Step 5: Solve for x
   x = 227,977,137.38/17,173.27
6. Step 6: Final answer
   x = 13,275.12