Finding the Fourth Proportional to 2,442.33, 3,661.76 and 1,143.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.33 : 3,661.76 = 1,143.09 : x
2. Step 2: Convert to fraction form
   2,442.33/3,661.76 = 1,143.09/x
3. Step 3: Cross multiply
   2,442.33x = 3,661.76 × 1,143.09
4. Step 4: Simplify right side
   2,442.33x = 4,185,715.52
5. Step 5: Solve for x
   x = 4,185,715.52/2,442.33
6. Step 6: Final answer
   x = 1,713.82