Finding the Fourth Proportional to 2,647,176, 3,970,389.06 and 849,822.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,176 : 3,970,389.06 = 849,822.78 : x
2. Step 2: Convert to fraction form
   2,647,176/3,970,389.06 = 849,822.78/x
3. Step 3: Cross multiply
   2,647,176x = 3,970,389.06 × 849,822.78
4. Step 4: Simplify right side
   2,647,176x = 3,374,127,068,650.79
5. Step 5: Solve for x
   x = 3,374,127,068,650.79/2,647,176
6. Step 6: Final answer
   x = 1,274,613.80