Finding the Fourth Proportional to 18,071.72, 24,941.59 and 10,413.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,071.72 : 24,941.59 = 10,413.50 : x
2. Step 2: Convert to fraction form
   18,071.72/24,941.59 = 10,413.50/x
3. Step 3: Cross multiply
   18,071.72x = 24,941.59 × 10,413.50
4. Step 4: Simplify right side
   18,071.72x = 259,729,247.47
5. Step 5: Solve for x
   x = 259,729,247.47/18,071.72
6. Step 6: Final answer
   x = 14,372.14