Finding the Fourth Proportional to 2,436.81, 3,648.98 and 1,339.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.81 : 3,648.98 = 1,339.97 : x
2. Step 2: Convert to fraction form
   2,436.81/3,648.98 = 1,339.97/x
3. Step 3: Cross multiply
   2,436.81x = 3,648.98 × 1,339.97
4. Step 4: Simplify right side
   2,436.81x = 4,889,508.84
5. Step 5: Solve for x
   x = 4,889,508.84/2,436.81
6. Step 6: Final answer
   x = 2,006.52