Finding the Fourth Proportional to 2,442,019.78, 3,662,972.56 and 645,028.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442,019.78 : 3,662,972.56 = 645,028.71 : x
2. Step 2: Convert to fraction form
   2,442,019.78/3,662,972.56 = 645,028.71/x
3. Step 3: Cross multiply
   2,442,019.78x = 3,662,972.56 × 645,028.71
4. Step 4: Simplify right side
   2,442,019.78x = 2,362,722,465,142.20
5. Step 5: Solve for x
   x = 2,362,722,465,142.20/2,442,019.78
6. Step 6: Final answer
   x = 967,527.98