Finding the Fourth Proportional to 12,089.82, 18,132.59 and 3,205.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,089.82 : 18,132.59 = 3,205.25 : x
2. Step 2: Convert to fraction form
   12,089.82/18,132.59 = 3,205.25/x
3. Step 3: Cross multiply
   12,089.82x = 18,132.59 × 3,205.25
4. Step 4: Simplify right side
   12,089.82x = 58,119,401.45
5. Step 5: Solve for x
   x = 58,119,401.45/12,089.82
6. Step 6: Final answer
   x = 4,807.30