Finding the Fourth Proportional to 441,667.52, 661,645.92 and 264,314.24

Step by Step Solution

1. Step 1: Write the proportion equation
   441,667.52 : 661,645.92 = 264,314.24 : x
2. Step 2: Convert to fraction form
   441,667.52/661,645.92 = 264,314.24/x
3. Step 3: Cross multiply
   441,667.52x = 661,645.92 × 264,314.24
4. Step 4: Simplify right side
   441,667.52x = 174,882,438,493.90
5. Step 5: Solve for x
   x = 174,882,438,493.90/441,667.52
6. Step 6: Final answer
   x = 395,959.47