Finding the Fourth Proportional to 17,578.72, 24,258.47 and 9,512.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,578.72 : 24,258.47 = 9,512.20 : x
2. Step 2: Convert to fraction form
   17,578.72/24,258.47 = 9,512.20/x
3. Step 3: Cross multiply
   17,578.72x = 24,258.47 × 9,512.20
4. Step 4: Simplify right side
   17,578.72x = 230,751,401.10
5. Step 5: Solve for x
   x = 230,751,401.10/17,578.72
6. Step 6: Final answer
   x = 13,126.75