Finding the Fourth Proportional to 3,613.89, 5,420.57 and 1,016.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.89 : 5,420.57 = 1,016.49 : x
2. Step 2: Convert to fraction form
   3,613.89/5,420.57 = 1,016.49/x
3. Step 3: Cross multiply
   3,613.89x = 5,420.57 × 1,016.49
4. Step 4: Simplify right side
   3,613.89x = 5,509,950.12
5. Step 5: Solve for x
   x = 5,509,950.12/3,613.89
6. Step 6: Final answer
   x = 1,524.66