Finding the Fourth Proportional to 19,904,044,896.72, 27,467,418,690.12 and 10,871,808,759.12

Step by Step Solution

1. Step 1: Write the proportion equation
   19,904,044,896.72 : 27,467,418,690.12 = 10,871,808,759.12 : x
2. Step 2: Convert to fraction form
   19,904,044,896.72/27,467,418,690.12 = 10,871,808,759.12/x
3. Step 3: Cross multiply
   19,904,044,896.72x = 27,467,418,690.12 × 10,871,808,759.12
4. Step 4: Simplify right side
   19,904,044,896.72x = 298,620,523,105,662,992,384
5. Step 5: Solve for x
   x = 298,620,523,105,662,992,384/19,904,044,896.72
6. Step 6: Final answer
   x = 15,003,006,909.16