Finding the Fourth Proportional to 302,819.82, 417,885.89 and 166,866.38

Step by Step Solution

1. Step 1: Write the proportion equation
   302,819.82 : 417,885.89 = 166,866.38 : x
2. Step 2: Convert to fraction form
   302,819.82/417,885.89 = 166,866.38/x
3. Step 3: Cross multiply
   302,819.82x = 417,885.89 × 166,866.38
4. Step 4: Simplify right side
   302,819.82x = 69,731,104,360.69
5. Step 5: Solve for x
   x = 69,731,104,360.69/302,819.82
6. Step 6: Final answer
   x = 230,272.59