Finding the Fourth Proportional to 404,147.22, 557,700.24 and 251,181.48

Step by Step Solution

1. Step 1: Write the proportion equation
   404,147.22 : 557,700.24 = 251,181.48 : x
2. Step 2: Convert to fraction form
   404,147.22/557,700.24 = 251,181.48/x
3. Step 3: Cross multiply
   404,147.22x = 557,700.24 × 251,181.48
4. Step 4: Simplify right side
   404,147.22x = 140,083,971,679.56
5. Step 5: Solve for x
   x = 140,083,971,679.56/404,147.22
6. Step 6: Final answer
   x = 346,616.20