Finding the Fourth Proportional to 17,578.85, 24,258.82 and 9,621.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,578.85 : 24,258.82 = 9,621.27 : x
2. Step 2: Convert to fraction form
   17,578.85/24,258.82 = 9,621.27/x
3. Step 3: Cross multiply
   17,578.85x = 24,258.82 × 9,621.27
4. Step 4: Simplify right side
   17,578.85x = 233,400,657.10
5. Step 5: Solve for x
   x = 233,400,657.10/17,578.85
6. Step 6: Final answer
   x = 13,277.36