Finding the Fourth Proportional to 300,782.69, 451,176.59 and 240,662.18

Step by Step Solution

1. Step 1: Write the proportion equation
   300,782.69 : 451,176.59 = 240,662.18 : x
2. Step 2: Convert to fraction form
   300,782.69/451,176.59 = 240,662.18/x
3. Step 3: Cross multiply
   300,782.69x = 451,176.59 × 240,662.18
4. Step 4: Simplify right side
   300,782.69x = 108,581,138,255.17
5. Step 5: Solve for x
   x = 108,581,138,255.17/300,782.69
6. Step 6: Final answer
   x = 360,995.31