Finding the Fourth Proportional to 8,216.77, 12,323.79 and 2,294.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216.77 : 12,323.79 = 2,294.05 : x
2. Step 2: Convert to fraction form
   8,216.77/12,323.79 = 2,294.05/x
3. Step 3: Cross multiply
   8,216.77x = 12,323.79 × 2,294.05
4. Step 4: Simplify right side
   8,216.77x = 28,271,390.45
5. Step 5: Solve for x
   x = 28,271,390.45/8,216.77
6. Step 6: Final answer
   x = 3,440.69