Finding the Fourth Proportional to 23,918,470,087.24, 33,007,501,961.60 and 12,919,499,151.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,918,470,087.24 : 33,007,501,961.60 = 12,919,499,151.99 : x
2. Step 2: Convert to fraction form
   23,918,470,087.24/33,007,501,961.60 = 12,919,499,151.99/x
3. Step 3: Cross multiply
   23,918,470,087.24x = 33,007,501,961.60 × 12,919,499,151.99
4. Step 4: Simplify right side
   23,918,470,087.24x = 426,440,393,602,067,398,656
5. Step 5: Solve for x
   x = 426,440,393,602,067,398,656/23,918,470,087.24
6. Step 6: Final answer
   x = 17,828,915,981.94