Finding the Fourth Proportional to 2,640.17, 3,643.43 and 1,461.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640.17 : 3,643.43 = 1,461.24 : x
2. Step 2: Convert to fraction form
   2,640.17/3,643.43 = 1,461.24/x
3. Step 3: Cross multiply
   2,640.17x = 3,643.43 × 1,461.24
4. Step 4: Simplify right side
   2,640.17x = 5,323,918.35
5. Step 5: Solve for x
   x = 5,323,918.35/2,640.17
6. Step 6: Final answer
   x = 2,016.50