Finding the Fourth Proportional to 300,375, 414,518.72 and 166,239

Step by Step Solution

1. Step 1: Write the proportion equation
   300,375 : 414,518.72 = 166,239 : x
2. Step 2: Convert to fraction form
   300,375/414,518.72 = 166,239/x
3. Step 3: Cross multiply
   300,375x = 414,518.72 × 166,239
4. Step 4: Simplify right side
   300,375x = 68,909,176,662.89
5. Step 5: Solve for x
   x = 68,909,176,662.89/300,375
6. Step 6: Final answer
   x = 229,410.49