Finding the Fourth Proportional to 8,104.55, 12,158.49 and 3,424.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,104.55 : 12,158.49 = 3,424.56 : x
2. Step 2: Convert to fraction form
   8,104.55/12,158.49 = 3,424.56/x
3. Step 3: Cross multiply
   8,104.55x = 12,158.49 × 3,424.56
4. Step 4: Simplify right side
   8,104.55x = 41,637,478.51
5. Step 5: Solve for x
   x = 41,637,478.51/8,104.55
6. Step 6: Final answer
   x = 5,137.55