Finding the Fourth Proportional to 4,855.89, 7,286.27 and 2,387.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,855.89 : 7,286.27 = 2,387.82 : x
2. Step 2: Convert to fraction form
   4,855.89/7,286.27 = 2,387.82/x
3. Step 3: Cross multiply
   4,855.89x = 7,286.27 × 2,387.82
4. Step 4: Simplify right side
   4,855.89x = 17,398,289.29
5. Step 5: Solve for x
   x = 17,398,289.29/4,855.89
6. Step 6: Final answer
   x = 3,582.92