Finding the Fourth Proportional to 82,135,752.12, 123,324,744.18 and 45,815,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,135,752.12 : 123,324,744.18 = 45,815,105.88 : x
2. Step 2: Convert to fraction form
   82,135,752.12/123,324,744.18 = 45,815,105.88/x
3. Step 3: Cross multiply
   82,135,752.12x = 123,324,744.18 × 45,815,105.88
4. Step 4: Simplify right side
   82,135,752.12x = 5,650,136,212,230,614
5. Step 5: Solve for x
   x = 5,650,136,212,230,614/82,135,752.12
6. Step 6: Final answer
   x = 68,790,217.01