Finding the Fourth Proportional to 12,065.20, 18,086.60 and 4,674.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,065.20 : 18,086.60 = 4,674.49 : x
2. Step 2: Convert to fraction form
   12,065.20/18,086.60 = 4,674.49/x
3. Step 3: Cross multiply
   12,065.20x = 18,086.60 × 4,674.49
4. Step 4: Simplify right side
   12,065.20x = 84,545,607.46
5. Step 5: Solve for x
   x = 84,545,607.46/12,065.20
6. Step 6: Final answer
   x = 7,007.39