Finding the Fourth Proportional to 2,414.59, 3,621.61 and 1,639.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,414.59 : 3,621.61 = 1,639.57 : x
2. Step 2: Convert to fraction form
   2,414.59/3,621.61 = 1,639.57/x
3. Step 3: Cross multiply
   2,414.59x = 3,621.61 × 1,639.57
4. Step 4: Simplify right side
   2,414.59x = 5,937,883.11
5. Step 5: Solve for x
   x = 5,937,883.11/2,414.59
6. Step 6: Final answer
   x = 2,459.17