Finding the Fourth Proportional to 2,311.06, 3,189.52 and 1,367.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.06 : 3,189.52 = 1,367.14 : x
2. Step 2: Convert to fraction form
   2,311.06/3,189.52 = 1,367.14/x
3. Step 3: Cross multiply
   2,311.06x = 3,189.52 × 1,367.14
4. Step 4: Simplify right side
   2,311.06x = 4,360,520.37
5. Step 5: Solve for x
   x = 4,360,520.37/2,311.06
6. Step 6: Final answer
   x = 1,886.81