Finding the Fourth Proportional to 8,309.77, 12,464.62 and 3,379.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,309.77 : 12,464.62 = 3,379.37 : x
2. Step 2: Convert to fraction form
   8,309.77/12,464.62 = 3,379.37/x
3. Step 3: Cross multiply
   8,309.77x = 12,464.62 × 3,379.37
4. Step 4: Simplify right side
   8,309.77x = 42,122,492.12
5. Step 5: Solve for x
   x = 42,122,492.12/8,309.77
6. Step 6: Final answer
   x = 5,069.03