Finding the Fourth Proportional to 17,677.04, 24,394.56 and 9,719.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,677.04 : 24,394.56 = 9,719.60 : x
2. Step 2: Convert to fraction form
   17,677.04/24,394.56 = 9,719.60/x
3. Step 3: Cross multiply
   17,677.04x = 24,394.56 × 9,719.60
4. Step 4: Simplify right side
   17,677.04x = 237,105,365.38
5. Step 5: Solve for x
   x = 237,105,365.38/17,677.04
6. Step 6: Final answer
   x = 13,413.18