Finding the Fourth Proportional to 2,406.10, 3,609.85 and 1,018.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.10 : 3,609.85 = 1,018.76 : x
2. Step 2: Convert to fraction form
   2,406.10/3,609.85 = 1,018.76/x
3. Step 3: Cross multiply
   2,406.10x = 3,609.85 × 1,018.76
4. Step 4: Simplify right side
   2,406.10x = 3,677,570.79
5. Step 5: Solve for x
   x = 3,677,570.79/2,406.10
6. Step 6: Final answer
   x = 1,528.44