Finding the Fourth Proportional to 2,406.15, 3,609.56 and 1,018.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.15 : 3,609.56 = 1,018.62 : x
2. Step 2: Convert to fraction form
   2,406.15/3,609.56 = 1,018.62/x
3. Step 3: Cross multiply
   2,406.15x = 3,609.56 × 1,018.62
4. Step 4: Simplify right side
   2,406.15x = 3,676,764.91
5. Step 5: Solve for x
   x = 3,676,764.91/2,406.15
6. Step 6: Final answer
   x = 1,528.07