Finding the Fourth Proportional to 2,074.92, 3,110.55 and 1,086.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.92 : 3,110.55 = 1,086.67 : x
2. Step 2: Convert to fraction form
   2,074.92/3,110.55 = 1,086.67/x
3. Step 3: Cross multiply
   2,074.92x = 3,110.55 × 1,086.67
4. Step 4: Simplify right side
   2,074.92x = 3,380,129.80
5. Step 5: Solve for x
   x = 3,380,129.80/2,074.92
6. Step 6: Final answer
   x = 1,629.04