Finding the Fourth Proportional to 2,372,831.78, 3,274,491.56 and 1,285,078.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372,831.78 : 3,274,491.56 = 1,285,078.47 : x
2. Step 2: Convert to fraction form
   2,372,831.78/3,274,491.56 = 1,285,078.47/x
3. Step 3: Cross multiply
   2,372,831.78x = 3,274,491.56 × 1,285,078.47
4. Step 4: Simplify right side
   2,372,831.78x = 4,207,978,590,669.47
5. Step 5: Solve for x
   x = 4,207,978,590,669.47/2,372,831.78
6. Step 6: Final answer
   x = 1,773,399.46