Finding the Fourth Proportional to 17,677.49, 24,395.04 and 9,719.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,677.49 : 24,395.04 = 9,719.78 : x
2. Step 2: Convert to fraction form
   17,677.49/24,395.04 = 9,719.78/x
3. Step 3: Cross multiply
   17,677.49x = 24,395.04 × 9,719.78
4. Step 4: Simplify right side
   17,677.49x = 237,114,421.89
5. Step 5: Solve for x
   x = 237,114,421.89/17,677.49
6. Step 6: Final answer
   x = 13,413.35