Finding the Fourth Proportional to 2,640.59, 3,643.83 and 1,461.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640.59 : 3,643.83 = 1,461.56 : x
2. Step 2: Convert to fraction form
   2,640.59/3,643.83 = 1,461.56/x
3. Step 3: Cross multiply
   2,640.59x = 3,643.83 × 1,461.56
4. Step 4: Simplify right side
   2,640.59x = 5,325,676.17
5. Step 5: Solve for x
   x = 5,325,676.17/2,640.59
6. Step 6: Final answer
   x = 2,016.85