Finding the Fourth Proportional to 300,112.12, 414,165.42 and 164,137.96

Step by Step Solution

1. Step 1: Write the proportion equation
   300,112.12 : 414,165.42 = 164,137.96 : x
2. Step 2: Convert to fraction form
   300,112.12/414,165.42 = 164,137.96/x
3. Step 3: Cross multiply
   300,112.12x = 414,165.42 × 164,137.96
4. Step 4: Simplify right side
   300,112.12x = 67,980,267,141.34
5. Step 5: Solve for x
   x = 67,980,267,141.34/300,112.12
6. Step 6: Final answer
   x = 226,516.23