Finding the Fourth Proportional to 2,662.34, 3,992.90 and 1,018.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.34 : 3,992.90 = 1,018.04 : x
2. Step 2: Convert to fraction form
   2,662.34/3,992.90 = 1,018.04/x
3. Step 3: Cross multiply
   2,662.34x = 3,992.90 × 1,018.04
4. Step 4: Simplify right side
   2,662.34x = 4,064,906.86
5. Step 5: Solve for x
   x = 4,064,906.86/2,662.34
6. Step 6: Final answer
   x = 1,526.82