Finding the Fourth Proportional to 3,131.16, 4,697.40 and 1,183.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131.16 : 4,697.40 = 1,183.32 : x
2. Step 2: Convert to fraction form
   3,131.16/4,697.40 = 1,183.32/x
3. Step 3: Cross multiply
   3,131.16x = 4,697.40 × 1,183.32
4. Step 4: Simplify right side
   3,131.16x = 5,558,527.37
5. Step 5: Solve for x
   x = 5,558,527.37/3,131.16
6. Step 6: Final answer
   x = 1,775.23