Finding the Fourth Proportional to 2,639.96, 3,643.12 and 1,461

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.96 : 3,643.12 = 1,461 : x
2. Step 2: Convert to fraction form
   2,639.96/3,643.12 = 1,461/x
3. Step 3: Cross multiply
   2,639.96x = 3,643.12 × 1,461
4. Step 4: Simplify right side
   2,639.96x = 5,322,598.32
5. Step 5: Solve for x
   x = 5,322,598.32/2,639.96
6. Step 6: Final answer
   x = 2,016.17