Finding the Fourth Proportional to 2,042,616, 3,065,323.92 and 712,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042,616 : 3,065,323.92 = 712,920 : x
2. Step 2: Convert to fraction form
   2,042,616/3,065,323.92 = 712,920/x
3. Step 3: Cross multiply
   2,042,616x = 3,065,323.92 × 712,920
4. Step 4: Simplify right side
   2,042,616x = 2,185,330,729,046.40
5. Step 5: Solve for x
   x = 2,185,330,729,046.40/2,042,616
6. Step 6: Final answer
   x = 1,069,868.60