Finding the Fourth Proportional to 17,376.73, 23,979.72 and 9,719.92

Step by Step Solution

1. Step 1: Write the proportion equation
   17,376.73 : 23,979.72 = 9,719.92 : x
2. Step 2: Convert to fraction form
   17,376.73/23,979.72 = 9,719.92/x
3. Step 3: Cross multiply
   17,376.73x = 23,979.72 × 9,719.92
4. Step 4: Simplify right side
   17,376.73x = 233,080,900.07
5. Step 5: Solve for x
   x = 233,080,900.07/17,376.73
6. Step 6: Final answer
   x = 13,413.39