Finding the Fourth Proportional to 13,413.42, 18,510.17 and 7,444.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,413.42 : 18,510.17 = 7,444.94 : x
2. Step 2: Convert to fraction form
   13,413.42/18,510.17 = 7,444.94/x
3. Step 3: Cross multiply
   13,413.42x = 18,510.17 × 7,444.94
4. Step 4: Simplify right side
   13,413.42x = 137,807,105.04
5. Step 5: Solve for x
   x = 137,807,105.04/13,413.42
6. Step 6: Final answer
   x = 10,273.82