Finding the Fourth Proportional to 2,640.32, 3,643.60 and 1,461.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640.32 : 3,643.60 = 1,461.37 : x
2. Step 2: Convert to fraction form
   2,640.32/3,643.60 = 1,461.37/x
3. Step 3: Cross multiply
   2,640.32x = 3,643.60 × 1,461.37
4. Step 4: Simplify right side
   2,640.32x = 5,324,625.86
5. Step 5: Solve for x
   x = 5,324,625.86/2,640.32
6. Step 6: Final answer
   x = 2,016.66