Finding the Fourth Proportional to 12,119.94, 18,180.32 and 3,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,119.94 : 18,180.32 = 3,355.50 : x
2. Step 2: Convert to fraction form
   12,119.94/18,180.32 = 3,355.50/x
3. Step 3: Cross multiply
   12,119.94x = 18,180.32 × 3,355.50
4. Step 4: Simplify right side
   12,119.94x = 61,004,063.76
5. Step 5: Solve for x
   x = 61,004,063.76/12,119.94
6. Step 6: Final answer
   x = 5,033.36