Finding the Fourth Proportional to 8,326.05, 12,487.94 and 2,779.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,326.05 : 12,487.94 = 2,779.27 : x
2. Step 2: Convert to fraction form
   8,326.05/12,487.94 = 2,779.27/x
3. Step 3: Cross multiply
   8,326.05x = 12,487.94 × 2,779.27
4. Step 4: Simplify right side
   8,326.05x = 34,707,311.89
5. Step 5: Solve for x
   x = 34,707,311.89/8,326.05
6. Step 6: Final answer
   x = 4,168.52