Finding the Fourth Proportional to 2,067.02, 3,101.83 and 1,288.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.02 : 3,101.83 = 1,288.54 : x
2. Step 2: Convert to fraction form
   2,067.02/3,101.83 = 1,288.54/x
3. Step 3: Cross multiply
   2,067.02x = 3,101.83 × 1,288.54
4. Step 4: Simplify right side
   2,067.02x = 3,996,832.68
5. Step 5: Solve for x
   x = 3,996,832.68/2,067.02
6. Step 6: Final answer
   x = 1,933.62