Finding the Fourth Proportional to 300,684.72, 414,945.42 and 164,715.69

Step by Step Solution

1. Step 1: Write the proportion equation
   300,684.72 : 414,945.42 = 164,715.69 : x
2. Step 2: Convert to fraction form
   300,684.72/414,945.42 = 164,715.69/x
3. Step 3: Cross multiply
   300,684.72x = 414,945.42 × 164,715.69
4. Step 4: Simplify right side
   300,684.72x = 68,348,022,106.00
5. Step 5: Solve for x
   x = 68,348,022,106.00/300,684.72
6. Step 6: Final answer
   x = 227,307.93