Finding the Fourth Proportional to 300,495, 414,696.78 and 166,359

Step by Step Solution

1. Step 1: Write the proportion equation
   300,495 : 414,696.78 = 166,359 : x
2. Step 2: Convert to fraction form
   300,495/414,696.78 = 166,359/x
3. Step 3: Cross multiply
   300,495x = 414,696.78 × 166,359
4. Step 4: Simplify right side
   300,495x = 68,988,541,624.02
5. Step 5: Solve for x
   x = 68,988,541,624.02/300,495
6. Step 6: Final answer
   x = 229,582.99