Finding the Fourth Proportional to 2,678,786.45, 3,693,207.64 and 1,933,086.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678,786.45 : 3,693,207.64 = 1,933,086.54 : x
2. Step 2: Convert to fraction form
   2,678,786.45/3,693,207.64 = 1,933,086.54/x
3. Step 3: Cross multiply
   2,678,786.45x = 3,693,207.64 × 1,933,086.54
4. Step 4: Simplify right side
   2,678,786.45x = 7,139,289,978,309.17
5. Step 5: Solve for x
   x = 7,139,289,978,309.17/2,678,786.45
6. Step 6: Final answer
   x = 2,665,120.98