Finding the Fourth Proportional to 12,418,944.54, 18,627,106.38 and 3,321,960.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,418,944.54 : 18,627,106.38 = 3,321,960.09 : x
2. Step 2: Convert to fraction form
   12,418,944.54/18,627,106.38 = 3,321,960.09/x
3. Step 3: Cross multiply
   12,418,944.54x = 18,627,106.38 × 3,321,960.09
4. Step 4: Simplify right side
   12,418,944.54x = 61,878,503,986,544.37
5. Step 5: Solve for x
   x = 61,878,503,986,544.37/12,418,944.54
6. Step 6: Final answer
   x = 4,982,589.61