Finding the Fourth Proportional to 321,054.41, 443,053.97 and 185,087.71

Step by Step Solution

1. Step 1: Write the proportion equation
   321,054.41 : 443,053.97 = 185,087.71 : x
2. Step 2: Convert to fraction form
   321,054.41/443,053.97 = 185,087.71/x
3. Step 3: Cross multiply
   321,054.41x = 443,053.97 × 185,087.71
4. Step 4: Simplify right side
   321,054.41x = 82,003,844,415.83
5. Step 5: Solve for x
   x = 82,003,844,415.83/321,054.41
6. Step 6: Final answer
   x = 255,420.40