Finding the Fourth Proportional to 3,616.55, 5,424.34 and 1,019.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,616.55 : 5,424.34 = 1,019.69 : x
2. Step 2: Convert to fraction form
   3,616.55/5,424.34 = 1,019.69/x
3. Step 3: Cross multiply
   3,616.55x = 5,424.34 × 1,019.69
4. Step 4: Simplify right side
   3,616.55x = 5,531,115.58
5. Step 5: Solve for x
   x = 5,531,115.58/3,616.55
6. Step 6: Final answer
   x = 1,529.39