Finding the Fourth Proportional to 2,079.55, 3,119.18 and 1,106.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.55 : 3,119.18 = 1,106.20 : x
2. Step 2: Convert to fraction form
   2,079.55/3,119.18 = 1,106.20/x
3. Step 3: Cross multiply
   2,079.55x = 3,119.18 × 1,106.20
4. Step 4: Simplify right side
   2,079.55x = 3,450,436.92
5. Step 5: Solve for x
   x = 3,450,436.92/2,079.55
6. Step 6: Final answer
   x = 1,659.22