Finding the Fourth Proportional to 2,419.36, 3,338.78 and 1,371.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.36 : 3,338.78 = 1,371.41 : x
2. Step 2: Convert to fraction form
   2,419.36/3,338.78 = 1,371.41/x
3. Step 3: Cross multiply
   2,419.36x = 3,338.78 × 1,371.41
4. Step 4: Simplify right side
   2,419.36x = 4,578,829.42
5. Step 5: Solve for x
   x = 4,578,829.42/2,419.36
6. Step 6: Final answer
   x = 1,892.58