Finding the Fourth Proportional to 2,978,558.54, 4,469,704.06 and 1,205,630.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,558.54 : 4,469,704.06 = 1,205,630.54 : x
2. Step 2: Convert to fraction form
   2,978,558.54/4,469,704.06 = 1,205,630.54/x
3. Step 3: Cross multiply
   2,978,558.54x = 4,469,704.06 × 1,205,630.54
4. Step 4: Simplify right side
   2,978,558.54x = 5,388,811,719,497.99
5. Step 5: Solve for x
   x = 5,388,811,719,497.99/2,978,558.54
6. Step 6: Final answer
   x = 1,809,201.21