Finding the Fourth Proportional to 404,929,759.24, 608,363,630.04 and 259,647,960.52

Step by Step Solution

1. Step 1: Write the proportion equation
   404,929,759.24 : 608,363,630.04 = 259,647,960.52 : x
2. Step 2: Convert to fraction form
   404,929,759.24/608,363,630.04 = 259,647,960.52/x
3. Step 3: Cross multiply
   404,929,759.24x = 608,363,630.04 × 259,647,960.52
4. Step 4: Simplify right side
   404,929,759.24x = 157,960,375,794,429,792
5. Step 5: Solve for x
   x = 157,960,375,794,429,792/404,929,759.24
6. Step 6: Final answer
   x = 390,093,274.67