Finding the Fourth Proportional to 2,749.74, 4,124.49 and 1,105.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,749.74 : 4,124.49 = 1,105.83 : x
2. Step 2: Convert to fraction form
   2,749.74/4,124.49 = 1,105.83/x
3. Step 3: Cross multiply
   2,749.74x = 4,124.49 × 1,105.83
4. Step 4: Simplify right side
   2,749.74x = 4,560,984.78
5. Step 5: Solve for x
   x = 4,560,984.78/2,749.74
6. Step 6: Final answer
   x = 1,658.70