Finding the Fourth Proportional to 17,171.60, 23,697.53 and 9,617.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,171.60 : 23,697.53 = 9,617.74 : x
2. Step 2: Convert to fraction form
   17,171.60/23,697.53 = 9,617.74/x
3. Step 3: Cross multiply
   17,171.60x = 23,697.53 × 9,617.74
4. Step 4: Simplify right side
   17,171.60x = 227,916,610.92
5. Step 5: Solve for x
   x = 227,916,610.92/17,171.60
6. Step 6: Final answer
   x = 13,272.89