Finding the Fourth Proportional to 17,171.39, 23,697.04 and 9,617.70

Step by Step Solution

1. Step 1: Write the proportion equation
   17,171.39 : 23,697.04 = 9,617.70 : x
2. Step 2: Convert to fraction form
   17,171.39/23,697.04 = 9,617.70/x
3. Step 3: Cross multiply
   17,171.39x = 23,697.04 × 9,617.70
4. Step 4: Simplify right side
   17,171.39x = 227,911,021.61
5. Step 5: Solve for x
   x = 227,911,021.61/17,171.39
6. Step 6: Final answer
   x = 13,272.72