Finding the Fourth Proportional to 17,171.76, 23,697.56 and 9,618.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,171.76 : 23,697.56 = 9,618.08 : x
2. Step 2: Convert to fraction form
   17,171.76/23,697.56 = 9,618.08/x
3. Step 3: Cross multiply
   17,171.76x = 23,697.56 × 9,618.08
4. Step 4: Simplify right side
   17,171.76x = 227,924,861.31
5. Step 5: Solve for x
   x = 227,924,861.31/17,171.76
6. Step 6: Final answer
   x = 13,273.24