Finding the Fourth Proportional to 17,930.41, 24,743.61 and 9,972.45

Step by Step Solution

1. Step 1: Write the proportion equation
   17,930.41 : 24,743.61 = 9,972.45 : x
2. Step 2: Convert to fraction form
   17,930.41/24,743.61 = 9,972.45/x
3. Step 3: Cross multiply
   17,930.41x = 24,743.61 × 9,972.45
4. Step 4: Simplify right side
   17,930.41x = 246,754,413.54
5. Step 5: Solve for x
   x = 246,754,413.54/17,930.41
6. Step 6: Final answer
   x = 13,761.78