Finding the Fourth Proportional to 1,659.82, 2,489.58 and 1,198.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.82 : 2,489.58 = 1,198.42 : x
2. Step 2: Convert to fraction form
   1,659.82/2,489.58 = 1,198.42/x
3. Step 3: Cross multiply
   1,659.82x = 2,489.58 × 1,198.42
4. Step 4: Simplify right side
   1,659.82x = 2,983,562.46
5. Step 5: Solve for x
   x = 2,983,562.46/1,659.82
6. Step 6: Final answer
   x = 1,797.52