Finding the Fourth Proportional to 2,446.88, 3,377.27 and 1,439.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,446.88 : 3,377.27 = 1,439.03 : x
2. Step 2: Convert to fraction form
   2,446.88/3,377.27 = 1,439.03/x
3. Step 3: Cross multiply
   2,446.88x = 3,377.27 × 1,439.03
4. Step 4: Simplify right side
   2,446.88x = 4,860,004.89
5. Step 5: Solve for x
   x = 4,860,004.89/2,446.88
6. Step 6: Final answer
   x = 1,986.21