Finding the Fourth Proportional to 3,131.31, 4,698.77 and 1,183.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131.31 : 4,698.77 = 1,183.71 : x
2. Step 2: Convert to fraction form
   3,131.31/4,698.77 = 1,183.71/x
3. Step 3: Cross multiply
   3,131.31x = 4,698.77 × 1,183.71
4. Step 4: Simplify right side
   3,131.31x = 5,561,975.12
5. Step 5: Solve for x
   x = 5,561,975.12/3,131.31
6. Step 6: Final answer
   x = 1,776.25