Finding the Fourth Proportional to 300,156, 414,228.24 and 166,020

Step by Step Solution

1. Step 1: Write the proportion equation
   300,156 : 414,228.24 = 166,020 : x
2. Step 2: Convert to fraction form
   300,156/414,228.24 = 166,020/x
3. Step 3: Cross multiply
   300,156x = 414,228.24 × 166,020
4. Step 4: Simplify right side
   300,156x = 68,770,172,404.80
5. Step 5: Solve for x
   x = 68,770,172,404.80/300,156
6. Step 6: Final answer
   x = 229,114.77