Finding the Fourth Proportional to 300,800.82, 415,105.14 and 166,664.82

Step by Step Solution

1. Step 1: Write the proportion equation
   300,800.82 : 415,105.14 = 166,664.82 : x
2. Step 2: Convert to fraction form
   300,800.82/415,105.14 = 166,664.82/x
3. Step 3: Cross multiply
   300,800.82x = 415,105.14 × 166,664.82
4. Step 4: Simplify right side
   300,800.82x = 69,183,423,439.17
5. Step 5: Solve for x
   x = 69,183,423,439.17/300,800.82
6. Step 6: Final answer
   x = 229,997.46