Finding the Fourth Proportional to 2,363.23, 3,261.39 and 1,315.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,363.23 : 3,261.39 = 1,315.27 : x
2. Step 2: Convert to fraction form
   2,363.23/3,261.39 = 1,315.27/x
3. Step 3: Cross multiply
   2,363.23x = 3,261.39 × 1,315.27
4. Step 4: Simplify right side
   2,363.23x = 4,289,608.43
5. Step 5: Solve for x
   x = 4,289,608.43/2,363.23
6. Step 6: Final answer
   x = 1,815.15