Finding the Fourth Proportional to 3,111.02, 4,660.42 and 2,067.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.02 : 4,660.42 = 2,067.96 : x
2. Step 2: Convert to fraction form
   3,111.02/4,660.42 = 2,067.96/x
3. Step 3: Cross multiply
   3,111.02x = 4,660.42 × 2,067.96
4. Step 4: Simplify right side
   3,111.02x = 9,637,562.14
5. Step 5: Solve for x
   x = 9,637,562.14/3,111.02
6. Step 6: Final answer
   x = 3,097.88