Finding the Fourth Proportional to 300,456.76, 414,630.46 and 164,499.51

Step by Step Solution

1. Step 1: Write the proportion equation
   300,456.76 : 414,630.46 = 164,499.51 : x
2. Step 2: Convert to fraction form
   300,456.76/414,630.46 = 164,499.51/x
3. Step 3: Cross multiply
   300,456.76x = 414,630.46 × 164,499.51
4. Step 4: Simplify right side
   300,456.76x = 68,206,507,501.07
5. Step 5: Solve for x
   x = 68,206,507,501.07/300,456.76
6. Step 6: Final answer
   x = 227,009.40