Finding the Fourth Proportional to 2,283.38, 3,150.97 and 1,288.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.38 : 3,150.97 = 1,288.52 : x
2. Step 2: Convert to fraction form
   2,283.38/3,150.97 = 1,288.52/x
3. Step 3: Cross multiply
   2,283.38x = 3,150.97 × 1,288.52
4. Step 4: Simplify right side
   2,283.38x = 4,060,087.86
5. Step 5: Solve for x
   x = 4,060,087.86/2,283.38
6. Step 6: Final answer
   x = 1,778.10