Finding the Fourth Proportional to 2,386.40, 3,585.06 and 1,413.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.40 : 3,585.06 = 1,413.18 : x
2. Step 2: Convert to fraction form
   2,386.40/3,585.06 = 1,413.18/x
3. Step 3: Cross multiply
   2,386.40x = 3,585.06 × 1,413.18
4. Step 4: Simplify right side
   2,386.40x = 5,066,335.09
5. Step 5: Solve for x
   x = 5,066,335.09/2,386.40
6. Step 6: Final answer
   x = 2,123.01