Finding the Fourth Proportional to 2,640.52, 3,643.94 and 1,461.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640.52 : 3,643.94 = 1,461.60 : x
2. Step 2: Convert to fraction form
   2,640.52/3,643.94 = 1,461.60/x
3. Step 3: Cross multiply
   2,640.52x = 3,643.94 × 1,461.60
4. Step 4: Simplify right side
   2,640.52x = 5,325,982.70
5. Step 5: Solve for x
   x = 5,325,982.70/2,640.52
6. Step 6: Final answer
   x = 2,017.02