Finding the Fourth Proportional to 461,172.72, 636,410.52 and 259,968.24

Step by Step Solution

1. Step 1: Write the proportion equation
   461,172.72 : 636,410.52 = 259,968.24 : x
2. Step 2: Convert to fraction form
   461,172.72/636,410.52 = 259,968.24/x
3. Step 3: Cross multiply
   461,172.72x = 636,410.52 × 259,968.24
4. Step 4: Simplify right side
   461,172.72x = 165,446,522,801.89
5. Step 5: Solve for x
   x = 165,446,522,801.89/461,172.72
6. Step 6: Final answer
   x = 358,751.76