Finding the Fourth Proportional to 3,901,155.60, 5,383,603.59 and 2,158,951.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901,155.60 : 5,383,603.59 = 2,158,951.76 : x
2. Step 2: Convert to fraction form
   3,901,155.60/5,383,603.59 = 2,158,951.76/x
3. Step 3: Cross multiply
   3,901,155.60x = 5,383,603.59 × 2,158,951.76
4. Step 4: Simplify right side
   3,901,155.60x = 11,622,940,434,978.06
5. Step 5: Solve for x
   x = 11,622,940,434,978.06/3,901,155.60
6. Step 6: Final answer
   x = 2,979,358.33