Finding the Fourth Proportional to 2,662.52, 3,992.36 and 1,018.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.52 : 3,992.36 = 1,018.13 : x
2. Step 2: Convert to fraction form
   2,662.52/3,992.36 = 1,018.13/x
3. Step 3: Cross multiply
   2,662.52x = 3,992.36 × 1,018.13
4. Step 4: Simplify right side
   2,662.52x = 4,064,716.43
5. Step 5: Solve for x
   x = 4,064,716.43/2,662.52
6. Step 6: Final answer
   x = 1,526.65