Finding the Fourth Proportional to 17,578.34, 24,258.13 and 9,620.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,578.34 : 24,258.13 = 9,620.62 : x
2. Step 2: Convert to fraction form
   17,578.34/24,258.13 = 9,620.62/x
3. Step 3: Cross multiply
   17,578.34x = 24,258.13 × 9,620.62
4. Step 4: Simplify right side
   17,578.34x = 233,378,165.94
5. Step 5: Solve for x
   x = 233,378,165.94/17,578.34
6. Step 6: Final answer
   x = 13,276.47