Finding the Fourth Proportional to 2,640.46, 3,643.89 and 1,461.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640.46 : 3,643.89 = 1,461.58 : x
2. Step 2: Convert to fraction form
   2,640.46/3,643.89 = 1,461.58/x
3. Step 3: Cross multiply
   2,640.46x = 3,643.89 × 1,461.58
4. Step 4: Simplify right side
   2,640.46x = 5,325,836.75
5. Step 5: Solve for x
   x = 5,325,836.75/2,640.46
6. Step 6: Final answer
   x = 2,017.01