Finding the Fourth Proportional to 12,336.39, 18,504.42 and 2,976.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,336.39 : 18,504.42 = 2,976.33 : x
2. Step 2: Convert to fraction form
   12,336.39/18,504.42 = 2,976.33/x
3. Step 3: Cross multiply
   12,336.39x = 18,504.42 × 2,976.33
4. Step 4: Simplify right side
   12,336.39x = 55,075,329.77
5. Step 5: Solve for x
   x = 55,075,329.77/12,336.39
6. Step 6: Final answer
   x = 4,464.46