Finding the Fourth Proportional to 300,786.76, 415,085.70 and 179,933.12

Step by Step Solution

1. Step 1: Write the proportion equation
   300,786.76 : 415,085.70 = 179,933.12 : x
2. Step 2: Convert to fraction form
   300,786.76/415,085.70 = 179,933.12/x
3. Step 3: Cross multiply
   300,786.76x = 415,085.70 × 179,933.12
4. Step 4: Simplify right side
   300,786.76x = 74,687,665,068.38
5. Step 5: Solve for x
   x = 74,687,665,068.38/300,786.76
6. Step 6: Final answer
   x = 248,307.69