Finding the Fourth Proportional to 2,643,936.78, 3,648,686.67 and 1,436,790.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643,936.78 : 3,648,686.67 = 1,436,790.54 : x
2. Step 2: Convert to fraction form
   2,643,936.78/3,648,686.67 = 1,436,790.54/x
3. Step 3: Cross multiply
   2,643,936.78x = 3,648,686.67 × 1,436,790.54
4. Step 4: Simplify right side
   2,643,936.78x = 5,242,398,490,880.10
5. Step 5: Solve for x
   x = 5,242,398,490,880.10/2,643,936.78
6. Step 6: Final answer
   x = 1,982,800.24