Finding the Fourth Proportional to 1,116.15, 1,674.83 and 676.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.15 : 1,674.83 = 676.32 : x
2. Step 2: Convert to fraction form
   1,116.15/1,674.83 = 676.32/x
3. Step 3: Cross multiply
   1,116.15x = 1,674.83 × 676.32
4. Step 4: Simplify right side
   1,116.15x = 1,132,721.03
5. Step 5: Solve for x
   x = 1,132,721.03/1,116.15
6. Step 6: Final answer
   x = 1,014.85