Finding the Fourth Proportional to 321,856.29, 444,171.78 and 185,887.71

Step by Step Solution

1. Step 1: Write the proportion equation
   321,856.29 : 444,171.78 = 185,887.71 : x
2. Step 2: Convert to fraction form
   321,856.29/444,171.78 = 185,887.71/x
3. Step 3: Cross multiply
   321,856.29x = 444,171.78 × 185,887.71
4. Step 4: Simplify right side
   321,856.29x = 82,566,075,030.82
5. Step 5: Solve for x
   x = 82,566,075,030.82/321,856.29
6. Step 6: Final answer
   x = 256,530.87