Finding the Fourth Proportional to 1,118.67, 1,544.22 and 676.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118.67 : 1,544.22 = 676.47 : x
2. Step 2: Convert to fraction form
   1,118.67/1,544.22 = 676.47/x
3. Step 3: Cross multiply
   1,118.67x = 1,544.22 × 676.47
4. Step 4: Simplify right side
   1,118.67x = 1,044,618.50
5. Step 5: Solve for x
   x = 1,044,618.50/1,118.67
6. Step 6: Final answer
   x = 933.80