Finding the Fourth Proportional to 1,118.88, 1,544.12 and 676.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118.88 : 1,544.12 = 676.89 : x
2. Step 2: Convert to fraction form
   1,118.88/1,544.12 = 676.89/x
3. Step 3: Cross multiply
   1,118.88x = 1,544.12 × 676.89
4. Step 4: Simplify right side
   1,118.88x = 1,045,199.39
5. Step 5: Solve for x
   x = 1,045,199.39/1,118.88
6. Step 6: Final answer
   x = 934.15