Finding the Fourth Proportional to 6,722.37, 10,081.92 and 2,105.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,722.37 : 10,081.92 = 2,105.37 : x
2. Step 2: Convert to fraction form
   6,722.37/10,081.92 = 2,105.37/x
3. Step 3: Cross multiply
   6,722.37x = 10,081.92 × 2,105.37
4. Step 4: Simplify right side
   6,722.37x = 21,226,171.91
5. Step 5: Solve for x
   x = 21,226,171.91/6,722.37
6. Step 6: Final answer
   x = 3,157.54