Finding the Fourth Proportional to 2,676.38, 4,014.61 and 728.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,676.38 : 4,014.61 = 728.63 : x
2. Step 2: Convert to fraction form
   2,676.38/4,014.61 = 728.63/x
3. Step 3: Cross multiply
   2,676.38x = 4,014.61 × 728.63
4. Step 4: Simplify right side
   2,676.38x = 2,925,162.54
5. Step 5: Solve for x
   x = 2,925,162.54/2,676.38
6. Step 6: Final answer
   x = 1,092.96