Finding the Fourth Proportional to 2,624.89, 3,937.41 and 677.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.89 : 3,937.41 = 677.09 : x
2. Step 2: Convert to fraction form
   2,624.89/3,937.41 = 677.09/x
3. Step 3: Cross multiply
   2,624.89x = 3,937.41 × 677.09
4. Step 4: Simplify right side
   2,624.89x = 2,665,997.39
5. Step 5: Solve for x
   x = 2,665,997.39/2,624.89
6. Step 6: Final answer
   x = 1,015.66