Finding the Fourth Proportional to 2,624.10, 3,936.30 and 676.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.10 : 3,936.30 = 676.30 : x
2. Step 2: Convert to fraction form
   2,624.10/3,936.30 = 676.30/x
3. Step 3: Cross multiply
   2,624.10x = 3,936.30 × 676.30
4. Step 4: Simplify right side
   2,624.10x = 2,662,114.69
5. Step 5: Solve for x
   x = 2,662,114.69/2,624.10
6. Step 6: Final answer
   x = 1,014.49