Finding the Fourth Proportional to 441,076.89, 609,513.56 and 360,475.01

Step by Step Solution

1. Step 1: Write the proportion equation
   441,076.89 : 609,513.56 = 360,475.01 : x
2. Step 2: Convert to fraction form
   441,076.89/609,513.56 = 360,475.01/x
3. Step 3: Cross multiply
   441,076.89x = 609,513.56 × 360,475.01
4. Step 4: Simplify right side
   441,076.89x = 219,714,401,786.19
5. Step 5: Solve for x
   x = 219,714,401,786.19/441,076.89
6. Step 6: Final answer
   x = 498,131.75