Finding the Fourth Proportional to 13,002.12, 17,941.50 and 7,413.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.12 : 17,941.50 = 7,413.12 : x
2. Step 2: Convert to fraction form
   13,002.12/17,941.50 = 7,413.12/x
3. Step 3: Cross multiply
   13,002.12x = 17,941.50 × 7,413.12
4. Step 4: Simplify right side
   13,002.12x = 133,002,492.48
5. Step 5: Solve for x
   x = 133,002,492.48/13,002.12
6. Step 6: Final answer
   x = 10,229.29