Finding the Fourth Proportional to 2,751.04, 4,123.68 and 1,105.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,751.04 : 4,123.68 = 1,105.30 : x
2. Step 2: Convert to fraction form
   2,751.04/4,123.68 = 1,105.30/x
3. Step 3: Cross multiply
   2,751.04x = 4,123.68 × 1,105.30
4. Step 4: Simplify right side
   2,751.04x = 4,557,903.50
5. Step 5: Solve for x
   x = 4,557,903.50/2,751.04
6. Step 6: Final answer
   x = 1,656.79