Finding the Fourth Proportional to 2,624.84, 3,936.72 and 775.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.84 : 3,936.72 = 775.46 : x
2. Step 2: Convert to fraction form
   2,624.84/3,936.72 = 775.46/x
3. Step 3: Cross multiply
   2,624.84x = 3,936.72 × 775.46
4. Step 4: Simplify right side
   2,624.84x = 3,052,768.89
5. Step 5: Solve for x
   x = 3,052,768.89/2,624.84
6. Step 6: Final answer
   x = 1,163.03