Finding the Fourth Proportional to 2,640.06, 3,643.23 and 1,461.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640.06 : 3,643.23 = 1,461.11 : x
2. Step 2: Convert to fraction form
   2,640.06/3,643.23 = 1,461.11/x
3. Step 3: Cross multiply
   2,640.06x = 3,643.23 × 1,461.11
4. Step 4: Simplify right side
   2,640.06x = 5,323,141.57
5. Step 5: Solve for x
   x = 5,323,141.57/2,640.06
6. Step 6: Final answer
   x = 2,016.30