Finding the Fourth Proportional to 3,131.16, 4,697.55 and 1,183.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131.16 : 4,697.55 = 1,183.38 : x
2. Step 2: Convert to fraction form
   3,131.16/4,697.55 = 1,183.38/x
3. Step 3: Cross multiply
   3,131.16x = 4,697.55 × 1,183.38
4. Step 4: Simplify right side
   3,131.16x = 5,558,986.72
5. Step 5: Solve for x
   x = 5,558,986.72/3,131.16
6. Step 6: Final answer
   x = 1,775.38