Finding the Fourth Proportional to 2,306.27, 3,182.15 and 1,311.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.27 : 3,182.15 = 1,311.32 : x
2. Step 2: Convert to fraction form
   2,306.27/3,182.15 = 1,311.32/x
3. Step 3: Cross multiply
   2,306.27x = 3,182.15 × 1,311.32
4. Step 4: Simplify right side
   2,306.27x = 4,172,828.17
5. Step 5: Solve for x
   x = 4,172,828.17/2,306.27
6. Step 6: Final answer
   x = 1,809.34