Finding the Fourth Proportional to 3,609.58, 5,414.46 and 1,012.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.58 : 5,414.46 = 1,012.72 : x
2. Step 2: Convert to fraction form
   3,609.58/5,414.46 = 1,012.72/x
3. Step 3: Cross multiply
   3,609.58x = 5,414.46 × 1,012.72
4. Step 4: Simplify right side
   3,609.58x = 5,483,331.93
5. Step 5: Solve for x
   x = 5,483,331.93/3,609.58
6. Step 6: Final answer
   x = 1,519.11