Finding the Fourth Proportional to 2,282.81, 3,150.33 and 1,288.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.81 : 3,150.33 = 1,288.00 : x
2. Step 2: Convert to fraction form
   2,282.81/3,150.33 = 1,288.00/x
3. Step 3: Cross multiply
   2,282.81x = 3,150.33 × 1,288.00
4. Step 4: Simplify right side
   2,282.81x = 4,057,609.29
5. Step 5: Solve for x
   x = 4,057,609.29/2,282.81
6. Step 6: Final answer
   x = 1,777.46