Finding the Fourth Proportional to 1,383.50, 1,910.59 and 1,183.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.50 : 1,910.59 = 1,183.17 : x
2. Step 2: Convert to fraction form
   1,383.50/1,910.59 = 1,183.17/x
3. Step 3: Cross multiply
   1,383.50x = 1,910.59 × 1,183.17
4. Step 4: Simplify right side
   1,383.50x = 2,260,549.81
5. Step 5: Solve for x
   x = 2,260,549.81/1,383.50
6. Step 6: Final answer
   x = 1,633.93