Finding the Fourth Proportional to 2,864.15, 4,315.73 and 2,355.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864.15 : 4,315.73 = 2,355.54 : x
2. Step 2: Convert to fraction form
   2,864.15/4,315.73 = 2,355.54/x
3. Step 3: Cross multiply
   2,864.15x = 4,315.73 × 2,355.54
4. Step 4: Simplify right side
   2,864.15x = 10,165,855.52
5. Step 5: Solve for x
   x = 10,165,855.52/2,864.15
6. Step 6: Final answer
   x = 3,549.35