Finding the Fourth Proportional to 3,616.28, 5,424.61 and 1,019.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,616.28 : 5,424.61 = 1,019.42 : x
2. Step 2: Convert to fraction form
   3,616.28/5,424.61 = 1,019.42/x
3. Step 3: Cross multiply
   3,616.28x = 5,424.61 × 1,019.42
4. Step 4: Simplify right side
   3,616.28x = 5,529,955.93
5. Step 5: Solve for x
   x = 5,529,955.93/3,616.28
6. Step 6: Final answer
   x = 1,529.18