Finding the Fourth Proportional to 2,288.39, 3,158.33 and 1,294.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.39 : 3,158.33 = 1,294.02 : x
2. Step 2: Convert to fraction form
   2,288.39/3,158.33 = 1,294.02/x
3. Step 3: Cross multiply
   2,288.39x = 3,158.33 × 1,294.02
4. Step 4: Simplify right side
   2,288.39x = 4,086,935.72
5. Step 5: Solve for x
   x = 4,086,935.72/2,288.39
6. Step 6: Final answer
   x = 1,785.95