Finding the Fourth Proportional to 1,383.58, 1,910.06 and 1,068.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.58 : 1,910.06 = 1,068.16 : x
2. Step 2: Convert to fraction form
   1,383.58/1,910.06 = 1,068.16/x
3. Step 3: Cross multiply
   1,383.58x = 1,910.06 × 1,068.16
4. Step 4: Simplify right side
   1,383.58x = 2,040,249.69
5. Step 5: Solve for x
   x = 2,040,249.69/1,383.58
6. Step 6: Final answer
   x = 1,474.62