Finding the Fourth Proportional to 2,283.32, 3,150.61 and 1,288.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.32 : 3,150.61 = 1,288.37 : x
2. Step 2: Convert to fraction form
   2,283.32/3,150.61 = 1,288.37/x
3. Step 3: Cross multiply
   2,283.32x = 3,150.61 × 1,288.37
4. Step 4: Simplify right side
   2,283.32x = 4,059,151.41
5. Step 5: Solve for x
   x = 4,059,151.41/2,283.32
6. Step 6: Final answer
   x = 1,777.74