Finding the Fourth Proportional to 404,038.53, 557,547.89 and 222,741.09

Step by Step Solution

1. Step 1: Write the proportion equation
   404,038.53 : 557,547.89 = 222,741.09 : x
2. Step 2: Convert to fraction form
   404,038.53/557,547.89 = 222,741.09/x
3. Step 3: Cross multiply
   404,038.53x = 557,547.89 × 222,741.09
4. Step 4: Simplify right side
   404,038.53x = 124,188,823,632.10
5. Step 5: Solve for x
   x = 124,188,823,632.10/404,038.53
6. Step 6: Final answer
   x = 307,368.76