Finding the Fourth Proportional to 2,640.53, 3,643.52 and 1,461.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640.53 : 3,643.52 = 1,461.38 : x
2. Step 2: Convert to fraction form
   2,640.53/3,643.52 = 1,461.38/x
3. Step 3: Cross multiply
   2,640.53x = 3,643.52 × 1,461.38
4. Step 4: Simplify right side
   2,640.53x = 5,324,541.73
5. Step 5: Solve for x
   x = 5,324,541.73/2,640.53
6. Step 6: Final answer
   x = 2,016.47