Finding the Fourth Proportional to 300,598.50, 414,828.71 and 205,103.15

Step by Step Solution

1. Step 1: Write the proportion equation
   300,598.50 : 414,828.71 = 205,103.15 : x
2. Step 2: Convert to fraction form
   300,598.50/414,828.71 = 205,103.15/x
3. Step 3: Cross multiply
   300,598.50x = 414,828.71 × 205,103.15
4. Step 4: Simplify right side
   300,598.50x = 85,082,675,131.44
5. Step 5: Solve for x
   x = 85,082,675,131.44/300,598.50
6. Step 6: Final answer
   x = 283,044.24