Finding the Fourth Proportional to 2,177.86, 3,005.46 and 1,183.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177.86 : 3,005.46 = 1,183.13 : x
2. Step 2: Convert to fraction form
   2,177.86/3,005.46 = 1,183.13/x
3. Step 3: Cross multiply
   2,177.86x = 3,005.46 × 1,183.13
4. Step 4: Simplify right side
   2,177.86x = 3,555,849.89
5. Step 5: Solve for x
   x = 3,555,849.89/2,177.86
6. Step 6: Final answer
   x = 1,632.73