Finding the Fourth Proportional to 17,578.62, 24,258.30 and 9,620.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,578.62 : 24,258.30 = 9,620.76 : x
2. Step 2: Convert to fraction form
   17,578.62/24,258.30 = 9,620.76/x
3. Step 3: Cross multiply
   17,578.62x = 24,258.30 × 9,620.76
4. Step 4: Simplify right side
   17,578.62x = 233,383,282.31
5. Step 5: Solve for x
   x = 233,383,282.31/17,578.62
6. Step 6: Final answer
   x = 13,276.54