Finding the Fourth Proportional to 2,570.33, 3,857.09 and 1,183.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.33 : 3,857.09 = 1,183.87 : x
2. Step 2: Convert to fraction form
   2,570.33/3,857.09 = 1,183.87/x
3. Step 3: Cross multiply
   2,570.33x = 3,857.09 × 1,183.87
4. Step 4: Simplify right side
   2,570.33x = 4,566,280.33
5. Step 5: Solve for x
   x = 4,566,280.33/2,570.33
6. Step 6: Final answer
   x = 1,776.53