Finding the Fourth Proportional to 2,007.73, 3,011.61 and 775.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.73 : 3,011.61 = 775.54 : x
2. Step 2: Convert to fraction form
   2,007.73/3,011.61 = 775.54/x
3. Step 3: Cross multiply
   2,007.73x = 3,011.61 × 775.54
4. Step 4: Simplify right side
   2,007.73x = 2,335,624.02
5. Step 5: Solve for x
   x = 2,335,624.02/2,007.73
6. Step 6: Final answer
   x = 1,163.32