Finding the Fourth Proportional to 2,456,469.20, 3,685,222.20 and 773,742.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,469.20 : 3,685,222.20 = 773,742.80 : x
2. Step 2: Convert to fraction form
   2,456,469.20/3,685,222.20 = 773,742.80/x
3. Step 3: Cross multiply
   2,456,469.20x = 3,685,222.20 × 773,742.80
4. Step 4: Simplify right side
   2,456,469.20x = 2,851,414,143,650.16
5. Step 5: Solve for x
   x = 2,851,414,143,650.16/2,456,469.20
6. Step 6: Final answer
   x = 1,160,777.49