Finding the Fourth Proportional to 2,639.98, 3,643.04 and 1,461.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.98 : 3,643.04 = 1,461.13 : x
2. Step 2: Convert to fraction form
   2,639.98/3,643.04 = 1,461.13/x
3. Step 3: Cross multiply
   2,639.98x = 3,643.04 × 1,461.13
4. Step 4: Simplify right side
   2,639.98x = 5,322,955.04
5. Step 5: Solve for x
   x = 5,322,955.04/2,639.98
6. Step 6: Final answer
   x = 2,016.29