Finding the Fourth Proportional to 21,635,983,744.83, 29,885,665,499.24 and 17,891,918,126.91

Step by Step Solution

1. Step 1: Write the proportion equation
   21,635,983,744.83 : 29,885,665,499.24 = 17,891,918,126.91 : x
2. Step 2: Convert to fraction form
   21,635,983,744.83/29,885,665,499.24 = 17,891,918,126.91/x
3. Step 3: Cross multiply
   21,635,983,744.83x = 29,885,665,499.24 × 17,891,918,126.91
4. Step 4: Simplify right side
   21,635,983,744.83x = 534,711,880,280,531,468,288
5. Step 5: Solve for x
   x = 534,711,880,280,531,468,288/21,635,983,744.83
6. Step 6: Final answer
   x = 24,714,008,227.53