Finding the Fourth Proportional to 2,619,770.31, 3,928,327.07 and 1,198,608.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,770.31 : 3,928,327.07 = 1,198,608.71 : x
2. Step 2: Convert to fraction form
   2,619,770.31/3,928,327.07 = 1,198,608.71/x
3. Step 3: Cross multiply
   2,619,770.31x = 3,928,327.07 × 1,198,608.71
4. Step 4: Simplify right side
   2,619,770.31x = 4,708,527,016,196.10
5. Step 5: Solve for x
   x = 4,708,527,016,196.10/2,619,770.31
6. Step 6: Final answer
   x = 1,797,305.28