Finding the Fourth Proportional to 300,789, 415,088.82 and 166,653

Step by Step Solution

1. Step 1: Write the proportion equation
   300,789 : 415,088.82 = 166,653 : x
2. Step 2: Convert to fraction form
   300,789/415,088.82 = 166,653/x
3. Step 3: Cross multiply
   300,789x = 415,088.82 × 166,653
4. Step 4: Simplify right side
   300,789x = 69,175,797,119.46
5. Step 5: Solve for x
   x = 69,175,797,119.46/300,789
6. Step 6: Final answer
   x = 229,981.14