Finding the Fourth Proportional to 2,181.89, 3,268.31 and 1,067.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.89 : 3,268.31 = 1,067.96 : x
2. Step 2: Convert to fraction form
   2,181.89/3,268.31 = 1,067.96/x
3. Step 3: Cross multiply
   2,181.89x = 3,268.31 × 1,067.96
4. Step 4: Simplify right side
   2,181.89x = 3,490,424.35
5. Step 5: Solve for x
   x = 3,490,424.35/2,181.89
6. Step 6: Final answer
   x = 1,599.73