Finding the Fourth Proportional to 17,074.69, 23,563.17 and 9,521.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,074.69 : 23,563.17 = 9,521.50 : x
2. Step 2: Convert to fraction form
   17,074.69/23,563.17 = 9,521.50/x
3. Step 3: Cross multiply
   17,074.69x = 23,563.17 × 9,521.50
4. Step 4: Simplify right side
   17,074.69x = 224,356,723.16
5. Step 5: Solve for x
   x = 224,356,723.16/17,074.69
6. Step 6: Final answer
   x = 13,139.72