Finding the Fourth Proportional to 13,413.36, 18,510.06 and 7,363.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,413.36 : 18,510.06 = 7,363.59 : x
2. Step 2: Convert to fraction form
   13,413.36/18,510.06 = 7,363.59/x
3. Step 3: Cross multiply
   13,413.36x = 18,510.06 × 7,363.59
4. Step 4: Simplify right side
   13,413.36x = 136,300,492.72
5. Step 5: Solve for x
   x = 136,300,492.72/13,413.36
6. Step 6: Final answer
   x = 10,161.55