Finding the Fourth Proportional to 404,771.31, 607,099.82 and 222,458.94

Step by Step Solution

1. Step 1: Write the proportion equation
   404,771.31 : 607,099.82 = 222,458.94 : x
2. Step 2: Convert to fraction form
   404,771.31/607,099.82 = 222,458.94/x
3. Step 3: Cross multiply
   404,771.31x = 607,099.82 × 222,458.94
4. Step 4: Simplify right side
   404,771.31x = 135,054,781,319.10
5. Step 5: Solve for x
   x = 135,054,781,319.10/404,771.31
6. Step 6: Final answer
   x = 333,657.00