Finding the Fourth Proportional to 404,059.87, 557,601.87 and 222,770.53

Step by Step Solution

1. Step 1: Write the proportion equation
   404,059.87 : 557,601.87 = 222,770.53 : x
2. Step 2: Convert to fraction form
   404,059.87/557,601.87 = 222,770.53/x
3. Step 3: Cross multiply
   404,059.87x = 557,601.87 × 222,770.53
4. Step 4: Simplify right side
   404,059.87x = 124,217,264,108.89
5. Step 5: Solve for x
   x = 124,217,264,108.89/404,059.87
6. Step 6: Final answer
   x = 307,422.92