Finding the Fourth Proportional to 1,408,940.92, 1,944,300.07 and 780,262.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408,940.92 : 1,944,300.07 = 780,262.82 : x
2. Step 2: Convert to fraction form
   1,408,940.92/1,944,300.07 = 780,262.82/x
3. Step 3: Cross multiply
   1,408,940.92x = 1,944,300.07 × 780,262.82
4. Step 4: Simplify right side
   1,408,940.92x = 1,517,065,061,734.27
5. Step 5: Solve for x
   x = 1,517,065,061,734.27/1,408,940.92
6. Step 6: Final answer
   x = 1,076,741.43