Finding the Fourth Proportional to 2,647,174.50, 3,970,386.81 and 849,821.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,174.50 : 3,970,386.81 = 849,821.28 : x
2. Step 2: Convert to fraction form
   2,647,174.50/3,970,386.81 = 849,821.28/x
3. Step 3: Cross multiply
   2,647,174.50x = 3,970,386.81 × 849,821.28
4. Step 4: Simplify right side
   2,647,174.50x = 3,374,119,200,969.32
5. Step 5: Solve for x
   x = 3,374,119,200,969.32/2,647,174.50
6. Step 6: Final answer
   x = 1,274,611.55