Finding the Fourth Proportional to 300,111.12, 414,164.04 and 164,136.96

Step by Step Solution

1. Step 1: Write the proportion equation
   300,111.12 : 414,164.04 = 164,136.96 : x
2. Step 2: Convert to fraction form
   300,111.12/414,164.04 = 164,136.96/x
3. Step 3: Cross multiply
   300,111.12x = 414,164.04 × 164,136.96
4. Step 4: Simplify right side
   300,111.12x = 67,979,626,466.92
5. Step 5: Solve for x
   x = 67,979,626,466.92/300,111.12
6. Step 6: Final answer
   x = 226,514.85