Finding the Fourth Proportional to 2,542.29, 3,811.38 and 1,080.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.29 : 3,811.38 = 1,080.42 : x
2. Step 2: Convert to fraction form
   2,542.29/3,811.38 = 1,080.42/x
3. Step 3: Cross multiply
   2,542.29x = 3,811.38 × 1,080.42
4. Step 4: Simplify right side
   2,542.29x = 4,117,872.12
5. Step 5: Solve for x
   x = 4,117,872.12/2,542.29
6. Step 6: Final answer
   x = 1,619.75