Finding the Fourth Proportional to 17,071.75, 23,561.04 and 9,519.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,071.75 : 23,561.04 = 9,519.31 : x
2. Step 2: Convert to fraction form
   17,071.75/23,561.04 = 9,519.31/x
3. Step 3: Cross multiply
   17,071.75x = 23,561.04 × 9,519.31
4. Step 4: Simplify right side
   17,071.75x = 224,284,843.68
5. Step 5: Solve for x
   x = 224,284,843.68/17,071.75
6. Step 6: Final answer
   x = 13,137.78