Finding the Fourth Proportional to 3,591,978, 5,388,854.76 and 1,067,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591,978 : 5,388,854.76 = 1,067,622.72 : x
2. Step 2: Convert to fraction form
   3,591,978/5,388,854.76 = 1,067,622.72/x
3. Step 3: Cross multiply
   3,591,978x = 5,388,854.76 × 1,067,622.72
4. Step 4: Simplify right side
   3,591,978x = 5,753,263,776,556.15
5. Step 5: Solve for x
   x = 5,753,263,776,556.15/3,591,978
6. Step 6: Final answer
   x = 1,601,697.94