Finding the Fourth Proportional to 2,413.15, 3,330.12 and 1,365.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.15 : 3,330.12 = 1,365.15 : x
2. Step 2: Convert to fraction form
   2,413.15/3,330.12 = 1,365.15/x
3. Step 3: Cross multiply
   2,413.15x = 3,330.12 × 1,365.15
4. Step 4: Simplify right side
   2,413.15x = 4,546,113.32
5. Step 5: Solve for x
   x = 4,546,113.32/2,413.15
6. Step 6: Final answer
   x = 1,883.89