Finding the Fourth Proportional to 3,945.26, 5,443.86 and 2,243.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.26 : 5,443.86 = 2,243.60 : x
2. Step 2: Convert to fraction form
   3,945.26/5,443.86 = 2,243.60/x
3. Step 3: Cross multiply
   3,945.26x = 5,443.86 × 2,243.60
4. Step 4: Simplify right side
   3,945.26x = 12,213,844.30
5. Step 5: Solve for x
   x = 12,213,844.30/3,945.26
6. Step 6: Final answer
   x = 3,095.83