Finding the Fourth Proportional to 2,749.36, 4,123.02 and 1,105.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,749.36 : 4,123.02 = 1,105.35 : x
2. Step 2: Convert to fraction form
   2,749.36/4,123.02 = 1,105.35/x
3. Step 3: Cross multiply
   2,749.36x = 4,123.02 × 1,105.35
4. Step 4: Simplify right side
   2,749.36x = 4,557,380.16
5. Step 5: Solve for x
   x = 4,557,380.16/2,749.36
6. Step 6: Final answer
   x = 1,657.61