Finding the Fourth Proportional to 1,262,087.98, 1,741,674.51 and 689,124.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262,087.98 : 1,741,674.51 = 689,124.04 : x
2. Step 2: Convert to fraction form
   1,262,087.98/1,741,674.51 = 689,124.04/x
3. Step 3: Cross multiply
   1,262,087.98x = 1,741,674.51 × 689,124.04
4. Step 4: Simplify right side
   1,262,087.98x = 1,200,229,770,342.03
5. Step 5: Solve for x
   x = 1,200,229,770,342.03/1,262,087.98
6. Step 6: Final answer
   x = 950,987.40