Finding the Fourth Proportional to 2,079.18, 3,118.62 and 1,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.18 : 3,118.62 = 1,105.82 : x
2. Step 2: Convert to fraction form
   2,079.18/3,118.62 = 1,105.82/x
3. Step 3: Cross multiply
   2,079.18x = 3,118.62 × 1,105.82
4. Step 4: Simplify right side
   2,079.18x = 3,448,632.37
5. Step 5: Solve for x
   x = 3,448,632.37/2,079.18
6. Step 6: Final answer
   x = 1,658.65