Finding the Fourth Proportional to 321,870.31, 444,160.33 and 201,004.34

Step by Step Solution

1. Step 1: Write the proportion equation
   321,870.31 : 444,160.33 = 201,004.34 : x
2. Step 2: Convert to fraction form
   321,870.31/444,160.33 = 201,004.34/x
3. Step 3: Cross multiply
   321,870.31x = 444,160.33 × 201,004.34
4. Step 4: Simplify right side
   321,870.31x = 89,278,151,262.52
5. Step 5: Solve for x
   x = 89,278,151,262.52/321,870.31
6. Step 6: Final answer
   x = 277,373.06