Finding the Fourth Proportional to 2,758,482.69, 4,137,879.45 and 839,456.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758,482.69 : 4,137,879.45 = 839,456.31 : x
2. Step 2: Convert to fraction form
   2,758,482.69/4,137,879.45 = 839,456.31/x
3. Step 3: Cross multiply
   2,758,482.69x = 4,137,879.45 × 839,456.31
4. Step 4: Simplify right side
   2,758,482.69x = 3,473,569,014,321.83
5. Step 5: Solve for x
   x = 3,473,569,014,321.83/2,758,482.69
6. Step 6: Final answer
   x = 1,259,231.76