Finding the Fourth Proportional to 17,112.38, 23,615.87 and 9,456.73

Step by Step Solution

1. Step 1: Write the proportion equation
   17,112.38 : 23,615.87 = 9,456.73 : x
2. Step 2: Convert to fraction form
   17,112.38/23,615.87 = 9,456.73/x
3. Step 3: Cross multiply
   17,112.38x = 23,615.87 × 9,456.73
4. Step 4: Simplify right side
   17,112.38x = 223,328,906.31
5. Step 5: Solve for x
   x = 223,328,906.31/17,112.38
6. Step 6: Final answer
   x = 13,050.72