Finding the Fourth Proportional to 5,155.94, 7,115.16 and 2,917.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,155.94 : 7,115.16 = 2,917.82 : x
2. Step 2: Convert to fraction form
   5,155.94/7,115.16 = 2,917.82/x
3. Step 3: Cross multiply
   5,155.94x = 7,115.16 × 2,917.82
4. Step 4: Simplify right side
   5,155.94x = 20,760,756.15
5. Step 5: Solve for x
   x = 20,760,756.15/5,155.94
6. Step 6: Final answer
   x = 4,026.57