Finding the Fourth Proportional to 17,676.72, 24,394.50 and 9,719.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,676.72 : 24,394.50 = 9,719.55 : x
2. Step 2: Convert to fraction form
   17,676.72/24,394.50 = 9,719.55/x
3. Step 3: Cross multiply
   17,676.72x = 24,394.50 × 9,719.55
4. Step 4: Simplify right side
   17,676.72x = 237,103,562.48
5. Step 5: Solve for x
   x = 237,103,562.48/17,676.72
6. Step 6: Final answer
   x = 13,413.32