Finding the Fourth Proportional to 8,310.05, 12,467.42 and 3,383.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,310.05 : 12,467.42 = 3,383.22 : x
2. Step 2: Convert to fraction form
   8,310.05/12,467.42 = 3,383.22/x
3. Step 3: Cross multiply
   8,310.05x = 12,467.42 × 3,383.22
4. Step 4: Simplify right side
   8,310.05x = 42,180,024.69
5. Step 5: Solve for x
   x = 42,180,024.69/8,310.05
6. Step 6: Final answer
   x = 5,075.78