Finding the Fourth Proportional to 2,046.29, 3,069.86 and 659.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.29 : 3,069.86 = 659.77 : x
2. Step 2: Convert to fraction form
   2,046.29/3,069.86 = 659.77/x
3. Step 3: Cross multiply
   2,046.29x = 3,069.86 × 659.77
4. Step 4: Simplify right side
   2,046.29x = 2,025,395.51
5. Step 5: Solve for x
   x = 2,025,395.51/2,046.29
6. Step 6: Final answer
   x = 989.79