Finding the Fourth Proportional to 1,617.69, 2,413.50 and 1,461.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617.69 : 2,413.50 = 1,461.99 : x
2. Step 2: Convert to fraction form
   1,617.69/2,413.50 = 1,461.99/x
3. Step 3: Cross multiply
   1,617.69x = 2,413.50 × 1,461.99
4. Step 4: Simplify right side
   1,617.69x = 3,528,512.87
5. Step 5: Solve for x
   x = 3,528,512.87/1,617.69
6. Step 6: Final answer
   x = 2,181.20