Finding the Fourth Proportional to 18,622,591,862.72, 25,732,793,351.42 and 13,260,843,632.74

Step by Step Solution

1. Step 1: Write the proportion equation
   18,622,591,862.72 : 25,732,793,351.42 = 13,260,843,632.74 : x
2. Step 2: Convert to fraction form
   18,622,591,862.72/25,732,793,351.42 = 13,260,843,632.74/x
3. Step 3: Cross multiply
   18,622,591,862.72x = 25,732,793,351.42 × 13,260,843,632.74
4. Step 4: Simplify right side
   18,622,591,862.72x = 341,238,548,866,792,095,744
5. Step 5: Solve for x
   x = 341,238,548,866,792,095,744/18,622,591,862.72
6. Step 6: Final answer
   x = 18,323,902,031.59