Finding the Fourth Proportional to 300,660.38, 414,893.61 and 164,667.25

Step by Step Solution

1. Step 1: Write the proportion equation
   300,660.38 : 414,893.61 = 164,667.25 : x
2. Step 2: Convert to fraction form
   300,660.38/414,893.61 = 164,667.25/x
3. Step 3: Cross multiply
   300,660.38x = 414,893.61 × 164,667.25
4. Step 4: Simplify right side
   300,660.38x = 68,319,389,801.27
5. Step 5: Solve for x
   x = 68,319,389,801.27/300,660.38
6. Step 6: Final answer
   x = 227,231.10