Finding the Fourth Proportional to 1,600.12, 2,391.89 and 1,383.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,600.12 : 2,391.89 = 1,383.22 : x
2. Step 2: Convert to fraction form
   1,600.12/2,391.89 = 1,383.22/x
3. Step 3: Cross multiply
   1,600.12x = 2,391.89 × 1,383.22
4. Step 4: Simplify right side
   1,600.12x = 3,308,510.09
5. Step 5: Solve for x
   x = 3,308,510.09/1,600.12
6. Step 6: Final answer
   x = 2,067.66