Finding the Fourth Proportional to 3,615.80, 5,423.82 and 1,018.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615.80 : 5,423.82 = 1,018.52 : x
2. Step 2: Convert to fraction form
   3,615.80/5,423.82 = 1,018.52/x
3. Step 3: Cross multiply
   3,615.80x = 5,423.82 × 1,018.52
4. Step 4: Simplify right side
   3,615.80x = 5,524,269.15
5. Step 5: Solve for x
   x = 5,524,269.15/3,615.80
6. Step 6: Final answer
   x = 1,527.81