Finding the Fourth Proportional to 2,676.15, 4,013.91 and 727.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,676.15 : 4,013.91 = 727.89 : x
2. Step 2: Convert to fraction form
   2,676.15/4,013.91 = 727.89/x
3. Step 3: Cross multiply
   2,676.15x = 4,013.91 × 727.89
4. Step 4: Simplify right side
   2,676.15x = 2,921,684.95
5. Step 5: Solve for x
   x = 2,921,684.95/2,676.15
6. Step 6: Final answer
   x = 1,091.75