Finding the Fourth Proportional to 404,119.81, 557,674.59 and 222,828.67

Step by Step Solution

1. Step 1: Write the proportion equation
   404,119.81 : 557,674.59 = 222,828.67 : x
2. Step 2: Convert to fraction form
   404,119.81/557,674.59 = 222,828.67/x
3. Step 3: Cross multiply
   404,119.81x = 557,674.59 × 222,828.67
4. Step 4: Simplify right side
   404,119.81x = 124,265,887,182.50
5. Step 5: Solve for x
   x = 124,265,887,182.50/404,119.81
6. Step 6: Final answer
   x = 307,497.64