Finding the Fourth Proportional to 3,938.88, 5,436.32 and 2,367.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938.88 : 5,436.32 = 2,367.04 : x
2. Step 2: Convert to fraction form
   3,938.88/5,436.32 = 2,367.04/x
3. Step 3: Cross multiply
   3,938.88x = 5,436.32 × 2,367.04
4. Step 4: Simplify right side
   3,938.88x = 12,867,986.89
5. Step 5: Solve for x
   x = 12,867,986.89/3,938.88
6. Step 6: Final answer
   x = 3,266.92