Finding the Fourth Proportional to 300,111.10, 414,147.49 and 164,144.65

Step by Step Solution

1. Step 1: Write the proportion equation
   300,111.10 : 414,147.49 = 164,144.65 : x
2. Step 2: Convert to fraction form
   300,111.10/414,147.49 = 164,144.65/x
3. Step 3: Cross multiply
   300,111.10x = 414,147.49 × 164,144.65
4. Step 4: Simplify right side
   300,111.10x = 67,980,094,794.43
5. Step 5: Solve for x
   x = 67,980,094,794.43/300,111.10
6. Step 6: Final answer
   x = 226,516.43