Finding the Fourth Proportional to 1,018.28, 1,406.02 and 796.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.28 : 1,406.02 = 796.82 : x
2. Step 2: Convert to fraction form
   1,018.28/1,406.02 = 796.82/x
3. Step 3: Cross multiply
   1,018.28x = 1,406.02 × 796.82
4. Step 4: Simplify right side
   1,018.28x = 1,120,344.86
5. Step 5: Solve for x
   x = 1,120,344.86/1,018.28
6. Step 6: Final answer
   x = 1,100.23