Finding the Fourth Proportional to 2,079.02, 3,119.68 and 1,105.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.02 : 3,119.68 = 1,105.09 : x
2. Step 2: Convert to fraction form
   2,079.02/3,119.68 = 1,105.09/x
3. Step 3: Cross multiply
   2,079.02x = 3,119.68 × 1,105.09
4. Step 4: Simplify right side
   2,079.02x = 3,447,527.17
5. Step 5: Solve for x
   x = 3,447,527.17/2,079.02
6. Step 6: Final answer
   x = 1,658.25