Finding the Fourth Proportional to 1,929.30, 2,661.42 and 1,183.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.30 : 2,661.42 = 1,183.42 : x
2. Step 2: Convert to fraction form
   1,929.30/2,661.42 = 1,183.42/x
3. Step 3: Cross multiply
   1,929.30x = 2,661.42 × 1,183.42
4. Step 4: Simplify right side
   1,929.30x = 3,149,577.66
5. Step 5: Solve for x
   x = 3,149,577.66/1,929.30
6. Step 6: Final answer
   x = 1,632.50