Finding the Fourth Proportional to 3,841.36, 5,760.82 and 1,243.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,841.36 : 5,760.82 = 1,243.69 : x
2. Step 2: Convert to fraction form
   3,841.36/5,760.82 = 1,243.69/x
3. Step 3: Cross multiply
   3,841.36x = 5,760.82 × 1,243.69
4. Step 4: Simplify right side
   3,841.36x = 7,164,661.38
5. Step 5: Solve for x
   x = 7,164,661.38/3,841.36
6. Step 6: Final answer
   x = 1,865.14