Finding the Fourth Proportional to 17,022.50, 23,491.06 and 9,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,022.50 : 23,491.06 = 9,570.50 : x
2. Step 2: Convert to fraction form
   17,022.50/23,491.06 = 9,570.50/x
3. Step 3: Cross multiply
   17,022.50x = 23,491.06 × 9,570.50
4. Step 4: Simplify right side
   17,022.50x = 224,821,189.73
5. Step 5: Solve for x
   x = 224,821,189.73/17,022.50
6. Step 6: Final answer
   x = 13,207.30