Finding the Fourth Proportional to 12,058.35, 18,086.47 and 3,738.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,058.35 : 18,086.47 = 3,738.18 : x
2. Step 2: Convert to fraction form
   12,058.35/18,086.47 = 3,738.18/x
3. Step 3: Cross multiply
   12,058.35x = 18,086.47 × 3,738.18
4. Step 4: Simplify right side
   12,058.35x = 67,610,480.42
5. Step 5: Solve for x
   x = 67,610,480.42/12,058.35
6. Step 6: Final answer
   x = 5,606.94