Finding the Fourth Proportional to 404,612.82, 607,291.83 and 205,074.59

Step by Step Solution

1. Step 1: Write the proportion equation
   404,612.82 : 607,291.83 = 205,074.59 : x
2. Step 2: Convert to fraction form
   404,612.82/607,291.83 = 205,074.59/x
3. Step 3: Cross multiply
   404,612.82x = 607,291.83 × 205,074.59
4. Step 4: Simplify right side
   404,612.82x = 124,540,120,011.14
5. Step 5: Solve for x
   x = 124,540,120,011.14/404,612.82
6. Step 6: Final answer
   x = 307,800.73