Finding the Fourth Proportional to 2,043.30, 3,065.15 and 656.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.30 : 3,065.15 = 656.58 : x
2. Step 2: Convert to fraction form
   2,043.30/3,065.15 = 656.58/x
3. Step 3: Cross multiply
   2,043.30x = 3,065.15 × 656.58
4. Step 4: Simplify right side
   2,043.30x = 2,012,517.83
5. Step 5: Solve for x
   x = 2,012,517.83/2,043.30
6. Step 6: Final answer
   x = 984.94