Finding the Fourth Proportional to 2,311.27, 3,180.31 and 2,246.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.27 : 3,180.31 = 2,246.67 : x
2. Step 2: Convert to fraction form
   2,311.27/3,180.31 = 2,246.67/x
3. Step 3: Cross multiply
   2,311.27x = 3,180.31 × 2,246.67
4. Step 4: Simplify right side
   2,311.27x = 7,145,101.45
5. Step 5: Solve for x
   x = 7,145,101.45/2,311.27
6. Step 6: Final answer
   x = 3,091.42