Finding the Fourth Proportional to 17,273.57, 23,837.46 and 9,719.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,273.57 : 23,837.46 = 9,719.91 : x
2. Step 2: Convert to fraction form
   17,273.57/23,837.46 = 9,719.91/x
3. Step 3: Cross multiply
   17,273.57x = 23,837.46 × 9,719.91
4. Step 4: Simplify right side
   17,273.57x = 231,697,965.83
5. Step 5: Solve for x
   x = 231,697,965.83/17,273.57
6. Step 6: Final answer
   x = 13,413.44