Finding the Fourth Proportional to 1,162.86, 1,743.72 and 676.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.86 : 1,743.72 = 676.05 : x
2. Step 2: Convert to fraction form
   1,162.86/1,743.72 = 676.05/x
3. Step 3: Cross multiply
   1,162.86x = 1,743.72 × 676.05
4. Step 4: Simplify right side
   1,162.86x = 1,178,841.91
5. Step 5: Solve for x
   x = 1,178,841.91/1,162.86
6. Step 6: Final answer
   x = 1,013.74