Finding the Fourth Proportional to 300,036.79, 414,044.52 and 164,069.20

Step by Step Solution

1. Step 1: Write the proportion equation
   300,036.79 : 414,044.52 = 164,069.20 : x
2. Step 2: Convert to fraction form
   300,036.79/414,044.52 = 164,069.20/x
3. Step 3: Cross multiply
   300,036.79x = 414,044.52 × 164,069.20
4. Step 4: Simplify right side
   300,036.79x = 67,931,951,090.56
5. Step 5: Solve for x
   x = 67,931,951,090.56/300,036.79
6. Step 6: Final answer
   x = 226,412.08