Finding the Fourth Proportional to 3,371.36, 5,061.69 and 2,328.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,371.36 : 5,061.69 = 2,328.78 : x
2. Step 2: Convert to fraction form
   3,371.36/5,061.69 = 2,328.78/x
3. Step 3: Cross multiply
   3,371.36x = 5,061.69 × 2,328.78
4. Step 4: Simplify right side
   3,371.36x = 11,787,581.42
5. Step 5: Solve for x
   x = 11,787,581.42/3,371.36
6. Step 6: Final answer
   x = 3,496.39