Finding the Fourth Proportional to 3,815.72, 5,265.42 and 2,243.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,815.72 : 5,265.42 = 2,243.60 : x
2. Step 2: Convert to fraction form
   3,815.72/5,265.42 = 2,243.60/x
3. Step 3: Cross multiply
   3,815.72x = 5,265.42 × 2,243.60
4. Step 4: Simplify right side
   3,815.72x = 11,813,496.31
5. Step 5: Solve for x
   x = 11,813,496.31/3,815.72
6. Step 6: Final answer
   x = 3,096.01