Finding the Fourth Proportional to 2,282.70, 3,150.27 and 1,287.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.70 : 3,150.27 = 1,287.96 : x
2. Step 2: Convert to fraction form
   2,282.70/3,150.27 = 1,287.96/x
3. Step 3: Cross multiply
   2,282.70x = 3,150.27 × 1,287.96
4. Step 4: Simplify right side
   2,282.70x = 4,057,406.00
5. Step 5: Solve for x
   x = 4,057,406.00/2,282.70
6. Step 6: Final answer
   x = 1,777.46