Finding the Fourth Proportional to 2,231.82, 3,079.46 and 1,347.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.82 : 3,079.46 = 1,347.67 : x
2. Step 2: Convert to fraction form
   2,231.82/3,079.46 = 1,347.67/x
3. Step 3: Cross multiply
   2,231.82x = 3,079.46 × 1,347.67
4. Step 4: Simplify right side
   2,231.82x = 4,150,103.08
5. Step 5: Solve for x
   x = 4,150,103.08/2,231.82
6. Step 6: Final answer
   x = 1,859.52