Finding the Fourth Proportional to 13,080.36, 18,049.58 and 7,413.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,080.36 : 18,049.58 = 7,413.98 : x
2. Step 2: Convert to fraction form
   13,080.36/18,049.58 = 7,413.98/x
3. Step 3: Cross multiply
   13,080.36x = 18,049.58 × 7,413.98
4. Step 4: Simplify right side
   13,080.36x = 133,819,225.13
5. Step 5: Solve for x
   x = 133,819,225.13/13,080.36
6. Step 6: Final answer
   x = 10,230.55