Finding the Fourth Proportional to 3,131.60, 4,698.20 and 1,183.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131.60 : 4,698.20 = 1,183.82 : x
2. Step 2: Convert to fraction form
   3,131.60/4,698.20 = 1,183.82/x
3. Step 3: Cross multiply
   3,131.60x = 4,698.20 × 1,183.82
4. Step 4: Simplify right side
   3,131.60x = 5,561,823.12
5. Step 5: Solve for x
   x = 5,561,823.12/3,131.60
6. Step 6: Final answer
   x = 1,776.03