Finding the Fourth Proportional to 2,406, 3,320.79 and 1,650.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406 : 3,320.79 = 1,650.81 : x
2. Step 2: Convert to fraction form
   2,406/3,320.79 = 1,650.81/x
3. Step 3: Cross multiply
   2,406x = 3,320.79 × 1,650.81
4. Step 4: Simplify right side
   2,406x = 5,481,993.34
5. Step 5: Solve for x
   x = 5,481,993.34/2,406
6. Step 6: Final answer
   x = 2,278.47