Finding the Fourth Proportional to 285,796.84, 394,309.86 and 164,922.25

Step by Step Solution

1. Step 1: Write the proportion equation
   285,796.84 : 394,309.86 = 164,922.25 : x
2. Step 2: Convert to fraction form
   285,796.84/394,309.86 = 164,922.25/x
3. Step 3: Cross multiply
   285,796.84x = 394,309.86 × 164,922.25
4. Step 4: Simplify right side
   285,796.84x = 65,030,469,308.39
5. Step 5: Solve for x
   x = 65,030,469,308.39/285,796.84
6. Step 6: Final answer
   x = 227,540.90