Finding the Fourth Proportional to 10,885,865,262.18, 16,315,532,192.79 and 5,642,582,800.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,885,865,262.18 : 16,315,532,192.79 = 5,642,582,800.74 : x
2. Step 2: Convert to fraction form
   10,885,865,262.18/16,315,532,192.79 = 5,642,582,800.74/x
3. Step 3: Cross multiply
   10,885,865,262.18x = 16,315,532,192.79 × 5,642,582,800.74
4. Step 4: Simplify right side
   10,885,865,262.18x = 92,061,741,335,956,635,648
5. Step 5: Solve for x
   x = 92,061,741,335,956,635,648/10,885,865,262.18
6. Step 6: Final answer
   x = 8,456,998,053.78