Finding the Fourth Proportional to 2,306.17, 3,182.52 and 1,311.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.17 : 3,182.52 = 1,311.22 : x
2. Step 2: Convert to fraction form
   2,306.17/3,182.52 = 1,311.22/x
3. Step 3: Cross multiply
   2,306.17x = 3,182.52 × 1,311.22
4. Step 4: Simplify right side
   2,306.17x = 4,172,983.87
5. Step 5: Solve for x
   x = 4,172,983.87/2,306.17
6. Step 6: Final answer
   x = 1,809.49