Finding the Fourth Proportional to 17,528.36, 24,189 and 9,570.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,528.36 : 24,189 = 9,570.57 : x
2. Step 2: Convert to fraction form
   17,528.36/24,189 = 9,570.57/x
3. Step 3: Cross multiply
   17,528.36x = 24,189 × 9,570.57
4. Step 4: Simplify right side
   17,528.36x = 231,502,517.73
5. Step 5: Solve for x
   x = 231,502,517.73/17,528.36
6. Step 6: Final answer
   x = 13,207.32