Finding the Fourth Proportional to 17,171.62, 23,697.23 and 9,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,171.62 : 23,697.23 = 9,618.50 : x
2. Step 2: Convert to fraction form
   17,171.62/23,697.23 = 9,618.50/x
3. Step 3: Cross multiply
   17,171.62x = 23,697.23 × 9,618.50
4. Step 4: Simplify right side
   17,171.62x = 227,931,817.91
5. Step 5: Solve for x
   x = 227,931,817.91/17,171.62
6. Step 6: Final answer
   x = 13,273.75