Finding the Fourth Proportional to 3,383,133.20, 5,074,930.20 and 1,077,443.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,383,133.20 : 5,074,930.20 = 1,077,443.60 : x
2. Step 2: Convert to fraction form
   3,383,133.20/5,074,930.20 = 1,077,443.60/x
3. Step 3: Cross multiply
   3,383,133.20x = 5,074,930.20 × 1,077,443.60
4. Step 4: Simplify right side
   3,383,133.20x = 5,467,951,064,436.72
5. Step 5: Solve for x
   x = 5,467,951,064,436.72/3,383,133.20
6. Step 6: Final answer
   x = 1,616,238.78