Finding the Fourth Proportional to 6,790.37, 10,185.94 and 2,111.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,790.37 : 10,185.94 = 2,111.05 : x
2. Step 2: Convert to fraction form
   6,790.37/10,185.94 = 2,111.05/x
3. Step 3: Cross multiply
   6,790.37x = 10,185.94 × 2,111.05
4. Step 4: Simplify right side
   6,790.37x = 21,503,028.64
5. Step 5: Solve for x
   x = 21,503,028.64/6,790.37
6. Step 6: Final answer
   x = 3,166.69