Finding the Fourth Proportional to 5,155.92, 7,115.15 and 2,917.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,155.92 : 7,115.15 = 2,917.73 : x
2. Step 2: Convert to fraction form
   5,155.92/7,115.15 = 2,917.73/x
3. Step 3: Cross multiply
   5,155.92x = 7,115.15 × 2,917.73
4. Step 4: Simplify right side
   5,155.92x = 20,760,111.69
5. Step 5: Solve for x
   x = 20,760,111.69/5,155.92
6. Step 6: Final answer
   x = 4,026.46