Finding the Fourth Proportional to 2,637.39, 3,935.61 and 2,287.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.39 : 3,935.61 = 2,287.47 : x
2. Step 2: Convert to fraction form
   2,637.39/3,935.61 = 2,287.47/x
3. Step 3: Cross multiply
   2,637.39x = 3,935.61 × 2,287.47
4. Step 4: Simplify right side
   2,637.39x = 9,002,589.81
5. Step 5: Solve for x
   x = 9,002,589.81/2,637.39
6. Step 6: Final answer
   x = 3,413.45