Finding the Fourth Proportional to 2,735.10, 4,105.62 and 1,092.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,735.10 : 4,105.62 = 1,092.78 : x
2. Step 2: Convert to fraction form
   2,735.10/4,105.62 = 1,092.78/x
3. Step 3: Cross multiply
   2,735.10x = 4,105.62 × 1,092.78
4. Step 4: Simplify right side
   2,735.10x = 4,486,539.42
5. Step 5: Solve for x
   x = 4,486,539.42/2,735.10
6. Step 6: Final answer
   x = 1,640.36