Finding the Fourth Proportional to 2,046.38, 3,069.50 and 659.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.38 : 3,069.50 = 659.79 : x
2. Step 2: Convert to fraction form
   2,046.38/3,069.50 = 659.79/x
3. Step 3: Cross multiply
   2,046.38x = 3,069.50 × 659.79
4. Step 4: Simplify right side
   2,046.38x = 2,025,222.11
5. Step 5: Solve for x
   x = 2,025,222.11/2,046.38
6. Step 6: Final answer
   x = 989.66