Finding the Fourth Proportional to 82,045,856,911.92, 123,088,128,245.64 and 65,320,895,834.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,045,856,911.92 : 123,088,128,245.64 = 65,320,895,834.16 : x
2. Step 2: Convert to fraction form
   82,045,856,911.92/123,088,128,245.64 = 65,320,895,834.16/x
3. Step 3: Cross multiply
   82,045,856,911.92x = 123,088,128,245.64 × 65,320,895,834.16
4. Step 4: Simplify right side
   82,045,856,911.92x = 8,040,226,803,555,178,119,168
5. Step 5: Solve for x
   x = 8,040,226,803,555,178,119,168/82,045,856,911.92
6. Step 6: Final answer
   x = 97,996,743,603.85