Finding the Fourth Proportional to 21,179,496,053.68, 31,727,914,426.68 and 16,499,456,566

Step by Step Solution

1. Step 1: Write the proportion equation
   21,179,496,053.68 : 31,727,914,426.68 = 16,499,456,566 : x
2. Step 2: Convert to fraction form
   21,179,496,053.68/31,727,914,426.68 = 16,499,456,566/x
3. Step 3: Cross multiply
   21,179,496,053.68x = 31,727,914,426.68 × 16,499,456,566
4. Step 4: Simplify right side
   21,179,496,053.68x = 523,493,346,012,771,450,880
5. Step 5: Solve for x
   x = 523,493,346,012,771,450,880/21,179,496,053.68
6. Step 6: Final answer
   x = 24,716,987,820.95