Finding the Fourth Proportional to 1,118.53, 1,543.62 and 676.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118.53 : 1,543.62 = 676.27 : x
2. Step 2: Convert to fraction form
   1,118.53/1,543.62 = 676.27/x
3. Step 3: Cross multiply
   1,118.53x = 1,543.62 × 676.27
4. Step 4: Simplify right side
   1,118.53x = 1,043,903.90
5. Step 5: Solve for x
   x = 1,043,903.90/1,118.53
6. Step 6: Final answer
   x = 933.28