Finding the Fourth Proportional to 23,918,470,088.37, 33,007,501,963.16 and 12,919,499,153.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,918,470,088.37 : 33,007,501,963.16 = 12,919,499,153.12 : x
2. Step 2: Convert to fraction form
   23,918,470,088.37/33,007,501,963.16 = 12,919,499,153.12/x
3. Step 3: Cross multiply
   23,918,470,088.37x = 33,007,501,963.16 × 12,919,499,153.12
4. Step 4: Simplify right side
   23,918,470,088.37x = 426,440,393,659,422,670,848
5. Step 5: Solve for x
   x = 426,440,393,659,422,670,848/23,918,470,088.37
6. Step 6: Final answer
   x = 17,828,915,983.50