Finding the Fourth Proportional to 2,662.18, 3,992.76 and 1,018.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.18 : 3,992.76 = 1,018.34 : x
2. Step 2: Convert to fraction form
   2,662.18/3,992.76 = 1,018.34/x
3. Step 3: Cross multiply
   2,662.18x = 3,992.76 × 1,018.34
4. Step 4: Simplify right side
   2,662.18x = 4,066,004.69
5. Step 5: Solve for x
   x = 4,066,004.69/2,662.18
6. Step 6: Final answer
   x = 1,527.32