Finding the Fourth Proportional to 2,137.46, 3,206.18 and 676.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.46 : 3,206.18 = 676.61 : x
2. Step 2: Convert to fraction form
   2,137.46/3,206.18 = 676.61/x
3. Step 3: Cross multiply
   2,137.46x = 3,206.18 × 676.61
4. Step 4: Simplify right side
   2,137.46x = 2,169,333.45
5. Step 5: Solve for x
   x = 2,169,333.45/2,137.46
6. Step 6: Final answer
   x = 1,014.91