Finding the Fourth Proportional to 6,945.39, 10,415.91 and 2,015.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,945.39 : 10,415.91 = 2,015.37 : x
2. Step 2: Convert to fraction form
   6,945.39/10,415.91 = 2,015.37/x
3. Step 3: Cross multiply
   6,945.39x = 10,415.91 × 2,015.37
4. Step 4: Simplify right side
   6,945.39x = 20,991,912.54
5. Step 5: Solve for x
   x = 20,991,912.54/6,945.39
6. Step 6: Final answer
   x = 3,022.42