Finding the Fourth Proportional to 17,677.71, 24,394.61 and 9,719.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,677.71 : 24,394.61 = 9,719.88 : x
2. Step 2: Convert to fraction form
   17,677.71/24,394.61 = 9,719.88/x
3. Step 3: Cross multiply
   17,677.71x = 24,394.61 × 9,719.88
4. Step 4: Simplify right side
   17,677.71x = 237,112,633.25
5. Step 5: Solve for x
   x = 237,112,633.25/17,677.71
6. Step 6: Final answer
   x = 13,413.09