Finding the Fourth Proportional to 7,287.57, 10,928.33 and 2,288.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,287.57 : 10,928.33 = 2,288.27 : x
2. Step 2: Convert to fraction form
   7,287.57/10,928.33 = 2,288.27/x
3. Step 3: Cross multiply
   7,287.57x = 10,928.33 × 2,288.27
4. Step 4: Simplify right side
   7,287.57x = 25,006,969.69
5. Step 5: Solve for x
   x = 25,006,969.69/7,287.57
6. Step 6: Final answer
   x = 3,431.46