Finding the Fourth Proportional to 2,282.82, 3,150.24 and 1,288.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.82 : 3,150.24 = 1,288.11 : x
2. Step 2: Convert to fraction form
   2,282.82/3,150.24 = 1,288.11/x
3. Step 3: Cross multiply
   2,282.82x = 3,150.24 × 1,288.11
4. Step 4: Simplify right side
   2,282.82x = 4,057,855.65
5. Step 5: Solve for x
   x = 4,057,855.65/2,282.82
6. Step 6: Final answer
   x = 1,777.56