Finding the Fourth Proportional to 300,288.72, 414,392.04 and 164,322.12

Step by Step Solution

1. Step 1: Write the proportion equation
   300,288.72 : 414,392.04 = 164,322.12 : x
2. Step 2: Convert to fraction form
   300,288.72/414,392.04 = 164,322.12/x
3. Step 3: Cross multiply
   300,288.72x = 414,392.04 × 164,322.12
4. Step 4: Simplify right side
   300,288.72x = 68,093,778,523.92
5. Step 5: Solve for x
   x = 68,093,778,523.92/300,288.72
6. Step 6: Final answer
   x = 226,761.03