Finding the Fourth Proportional to 443,831.00, 665,741.03 and 422,314.56

Step by Step Solution

1. Step 1: Write the proportion equation
   443,831.00 : 665,741.03 = 422,314.56 : x
2. Step 2: Convert to fraction form
   443,831.00/665,741.03 = 422,314.56/x
3. Step 3: Cross multiply
   443,831.00x = 665,741.03 × 422,314.56
4. Step 4: Simplify right side
   443,831.00x = 281,152,128,046.82
5. Step 5: Solve for x
   x = 281,152,128,046.82/443,831.00
6. Step 6: Final answer
   x = 633,466.64