Finding the Fourth Proportional to 3,910.68, 5,867.22 and 2,814.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.68 : 5,867.22 = 2,814.12 : x
2. Step 2: Convert to fraction form
   3,910.68/5,867.22 = 2,814.12/x
3. Step 3: Cross multiply
   3,910.68x = 5,867.22 × 2,814.12
4. Step 4: Simplify right side
   3,910.68x = 16,511,061.15
5. Step 5: Solve for x
   x = 16,511,061.15/3,910.68
6. Step 6: Final answer
   x = 4,222.04