Finding the Fourth Proportional to 300,522, 414,720.36 and 166,386

Step by Step Solution

1. Step 1: Write the proportion equation
   300,522 : 414,720.36 = 166,386 : x
2. Step 2: Convert to fraction form
   300,522/414,720.36 = 166,386/x
3. Step 3: Cross multiply
   300,522x = 414,720.36 × 166,386
4. Step 4: Simplify right side
   300,522x = 69,003,661,818.96
5. Step 5: Solve for x
   x = 69,003,661,818.96/300,522
6. Step 6: Final answer
   x = 229,612.68