Finding the Fourth Proportional to 300,529.50, 414,743.67 and 166,393.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,529.50 : 414,743.67 = 166,393.50 : x
2. Step 2: Convert to fraction form
   300,529.50/414,743.67 = 166,393.50/x
3. Step 3: Cross multiply
   300,529.50x = 414,743.67 × 166,393.50
4. Step 4: Simplify right side
   300,529.50x = 69,010,650,854.15
5. Step 5: Solve for x
   x = 69,010,650,854.15/300,529.50
6. Step 6: Final answer
   x = 229,630.21