Finding the Fourth Proportional to 2,624.17, 3,936.24 and 676.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.17 : 3,936.24 = 676.39 : x
2. Step 2: Convert to fraction form
   2,624.17/3,936.24 = 676.39/x
3. Step 3: Cross multiply
   2,624.17x = 3,936.24 × 676.39
4. Step 4: Simplify right side
   2,624.17x = 2,662,433.37
5. Step 5: Solve for x
   x = 2,662,433.37/2,624.17
6. Step 6: Final answer
   x = 1,014.58