Finding the Fourth Proportional to 1,183.52, 1,632.69 and 919.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183.52 : 1,632.69 = 919.73 : x
2. Step 2: Convert to fraction form
   1,183.52/1,632.69 = 919.73/x
3. Step 3: Cross multiply
   1,183.52x = 1,632.69 × 919.73
4. Step 4: Simplify right side
   1,183.52x = 1,501,629.38
5. Step 5: Solve for x
   x = 1,501,629.38/1,183.52
6. Step 6: Final answer
   x = 1,268.78