Finding the Fourth Proportional to 2,196.68, 3,029.82 and 1,639.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.68 : 3,029.82 = 1,639.04 : x
2. Step 2: Convert to fraction form
   2,196.68/3,029.82 = 1,639.04/x
3. Step 3: Cross multiply
   2,196.68x = 3,029.82 × 1,639.04
4. Step 4: Simplify right side
   2,196.68x = 4,965,996.17
5. Step 5: Solve for x
   x = 4,965,996.17/2,196.68
6. Step 6: Final answer
   x = 2,260.68