Finding the Fourth Proportional to 2,870,338.12, 4,305,399.47 and 711,370.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870,338.12 : 4,305,399.47 = 711,370.33 : x
2. Step 2: Convert to fraction form
   2,870,338.12/4,305,399.47 = 711,370.33/x
3. Step 3: Cross multiply
   2,870,338.12x = 4,305,399.47 × 711,370.33
4. Step 4: Simplify right side
   2,870,338.12x = 3,062,733,441,755.72
5. Step 5: Solve for x
   x = 3,062,733,441,755.72/2,870,338.12
6. Step 6: Final answer
   x = 1,067,028.80