Finding the Fourth Proportional to 19,788,606,839.28, 27,311,262,512.72 and 12,068,157,078.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,788,606,839.28 : 27,311,262,512.72 = 12,068,157,078.82 : x
2. Step 2: Convert to fraction form
   19,788,606,839.28/27,311,262,512.72 = 12,068,157,078.82/x
3. Step 3: Cross multiply
   19,788,606,839.28x = 27,311,262,512.72 × 12,068,157,078.82
4. Step 4: Simplify right side
   19,788,606,839.28x = 329,596,606,024,393,162,752
5. Step 5: Solve for x
   x = 329,596,606,024,393,162,752/19,788,606,839.28
6. Step 6: Final answer
   x = 16,655,877,227.81