Finding the Fourth Proportional to 5,112.72, 7,676.37 and 4,879.44

Step by Step Solution

1. Step 1: Write the proportion equation
   5,112.72 : 7,676.37 = 4,879.44 : x
2. Step 2: Convert to fraction form
   5,112.72/7,676.37 = 4,879.44/x
3. Step 3: Cross multiply
   5,112.72x = 7,676.37 × 4,879.44
4. Step 4: Simplify right side
   5,112.72x = 37,456,386.83
5. Step 5: Solve for x
   x = 37,456,386.83/5,112.72
6. Step 6: Final answer
   x = 7,326.12