Finding the Fourth Proportional to 2,551.12, 3,826.96 and 1,090.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.12 : 3,826.96 = 1,090.42 : x
2. Step 2: Convert to fraction form
   2,551.12/3,826.96 = 1,090.42/x
3. Step 3: Cross multiply
   2,551.12x = 3,826.96 × 1,090.42
4. Step 4: Simplify right side
   2,551.12x = 4,172,993.72
5. Step 5: Solve for x
   x = 4,172,993.72/2,551.12
6. Step 6: Final answer
   x = 1,635.75