Finding the Fourth Proportional to 2,260.27, 3,391.55 and 1,528.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260.27 : 3,391.55 = 1,528.23 : x
2. Step 2: Convert to fraction form
   2,260.27/3,391.55 = 1,528.23/x
3. Step 3: Cross multiply
   2,260.27x = 3,391.55 × 1,528.23
4. Step 4: Simplify right side
   2,260.27x = 5,183,068.46
5. Step 5: Solve for x
   x = 5,183,068.46/2,260.27
6. Step 6: Final answer
   x = 2,293.12