Finding the Fourth Proportional to 1,355,078.93, 1,870,061.24 and 743,257.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,078.93 : 1,870,061.24 = 743,257.47 : x
2. Step 2: Convert to fraction form
   1,355,078.93/1,870,061.24 = 743,257.47/x
3. Step 3: Cross multiply
   1,355,078.93x = 1,870,061.24 × 743,257.47
4. Step 4: Simplify right side
   1,355,078.93x = 1,389,936,992,520.76
5. Step 5: Solve for x
   x = 1,389,936,992,520.76/1,355,078.93
6. Step 6: Final answer
   x = 1,025,724.01