Finding the Fourth Proportional to 12,087.63, 18,131.85 and 3,322.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,087.63 : 18,131.85 = 3,322.62 : x
2. Step 2: Convert to fraction form
   12,087.63/18,131.85 = 3,322.62/x
3. Step 3: Cross multiply
   12,087.63x = 18,131.85 × 3,322.62
4. Step 4: Simplify right side
   12,087.63x = 60,245,247.45
5. Step 5: Solve for x
   x = 60,245,247.45/12,087.63
6. Step 6: Final answer
   x = 4,984.04