Finding the Fourth Proportional to 25,564,844,185.72, 35,280,574,521.42 and 14,287,275,556.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,564,844,185.72 : 35,280,574,521.42 = 14,287,275,556.18 : x
2. Step 2: Convert to fraction form
   25,564,844,185.72/35,280,574,521.42 = 14,287,275,556.18/x
3. Step 3: Cross multiply
   25,564,844,185.72x = 35,280,574,521.42 × 14,287,275,556.18
4. Step 4: Simplify right side
   25,564,844,185.72x = 504,063,289,967,870,869,504
5. Step 5: Solve for x
   x = 504,063,289,967,870,869,504/25,564,844,185.72
6. Step 6: Final answer
   x = 19,717,049,175.27