Finding the Fourth Proportional to 1,717.48, 2,571.61 and 1,413.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,717.48 : 2,571.61 = 1,413.01 : x
2. Step 2: Convert to fraction form
   1,717.48/2,571.61 = 1,413.01/x
3. Step 3: Cross multiply
   1,717.48x = 2,571.61 × 1,413.01
4. Step 4: Simplify right side
   1,717.48x = 3,633,710.33
5. Step 5: Solve for x
   x = 3,633,710.33/1,717.48
6. Step 6: Final answer
   x = 2,115.72