Finding the Fourth Proportional to 2,647,171.50, 3,970,382.31 and 849,818.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,171.50 : 3,970,382.31 = 849,818.28 : x
2. Step 2: Convert to fraction form
   2,647,171.50/3,970,382.31 = 849,818.28/x
3. Step 3: Cross multiply
   2,647,171.50x = 3,970,382.31 × 849,818.28
4. Step 4: Simplify right side
   2,647,171.50x = 3,374,103,465,626.63
5. Step 5: Solve for x
   x = 3,374,103,465,626.63/2,647,171.50
6. Step 6: Final answer
   x = 1,274,607.05