Finding the Fourth Proportional to 300,292.72, 414,397.55 and 164,326.12

Step by Step Solution

1. Step 1: Write the proportion equation
   300,292.72 : 414,397.55 = 164,326.12 : x
2. Step 2: Convert to fraction form
   300,292.72/414,397.55 = 164,326.12/x
3. Step 3: Cross multiply
   300,292.72x = 414,397.55 × 164,326.12
4. Step 4: Simplify right side
   300,292.72x = 68,096,341,529.01
5. Step 5: Solve for x
   x = 68,096,341,529.01/300,292.72
6. Step 6: Final answer
   x = 226,766.54