Finding the Fourth Proportional to 2,282.85, 3,150.23 and 1,288.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.85 : 3,150.23 = 1,288.22 : x
2. Step 2: Convert to fraction form
   2,282.85/3,150.23 = 1,288.22/x
3. Step 3: Cross multiply
   2,282.85x = 3,150.23 × 1,288.22
4. Step 4: Simplify right side
   2,282.85x = 4,058,200.39
5. Step 5: Solve for x
   x = 4,058,200.39/2,282.85
6. Step 6: Final answer
   x = 1,777.69