Finding the Fourth Proportional to 3,860.98, 5,329.74 and 2,446.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,860.98 : 5,329.74 = 2,446.72 : x
2. Step 2: Convert to fraction form
   3,860.98/5,329.74 = 2,446.72/x
3. Step 3: Cross multiply
   3,860.98x = 5,329.74 × 2,446.72
4. Step 4: Simplify right side
   3,860.98x = 13,040,381.45
5. Step 5: Solve for x
   x = 13,040,381.45/3,860.98
6. Step 6: Final answer
   x = 3,377.48