Finding the Fourth Proportional to 2,288.82, 3,158.52 and 1,294.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.82 : 3,158.52 = 1,294.11 : x
2. Step 2: Convert to fraction form
   2,288.82/3,158.52 = 1,294.11/x
3. Step 3: Cross multiply
   2,288.82x = 3,158.52 × 1,294.11
4. Step 4: Simplify right side
   2,288.82x = 4,087,472.32
5. Step 5: Solve for x
   x = 4,087,472.32/2,288.82
6. Step 6: Final answer
   x = 1,785.84