Finding the Fourth Proportional to 3,613.56, 5,420.43 and 1,016.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.56 : 5,420.43 = 1,016.70 : x
2. Step 2: Convert to fraction form
   3,613.56/5,420.43 = 1,016.70/x
3. Step 3: Cross multiply
   3,613.56x = 5,420.43 × 1,016.70
4. Step 4: Simplify right side
   3,613.56x = 5,510,951.18
5. Step 5: Solve for x
   x = 5,510,951.18/3,613.56
6. Step 6: Final answer
   x = 1,525.08