Finding the Fourth Proportional to 8,100.09, 12,144.06 and 3,425.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.09 : 12,144.06 = 3,425.58 : x
2. Step 2: Convert to fraction form
   8,100.09/12,144.06 = 3,425.58/x
3. Step 3: Cross multiply
   8,100.09x = 12,144.06 × 3,425.58
4. Step 4: Simplify right side
   8,100.09x = 41,600,449.05
5. Step 5: Solve for x
   x = 41,600,449.05/8,100.09
6. Step 6: Final answer
   x = 5,135.80