Finding the Fourth Proportional to 3,613.77, 5,420.85 and 1,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.77 : 5,420.85 = 1,016.50 : x
2. Step 2: Convert to fraction form
   3,613.77/5,420.85 = 1,016.50/x
3. Step 3: Cross multiply
   3,613.77x = 5,420.85 × 1,016.50
4. Step 4: Simplify right side
   3,613.77x = 5,510,294.03
5. Step 5: Solve for x
   x = 5,510,294.03/3,613.77
6. Step 6: Final answer
   x = 1,524.80