Finding the Fourth Proportional to 82,045,856,910.42, 123,088,128,243.39 and 65,320,895,832.66

Step by Step Solution

1. Step 1: Write the proportion equation
   82,045,856,910.42 : 123,088,128,243.39 = 65,320,895,832.66 : x
2. Step 2: Convert to fraction form
   82,045,856,910.42/123,088,128,243.39 = 65,320,895,832.66/x
3. Step 3: Cross multiply
   82,045,856,910.42x = 123,088,128,243.39 × 65,320,895,832.66
4. Step 4: Simplify right side
   82,045,856,910.42x = 8,040,226,803,223,574,347,776
5. Step 5: Solve for x
   x = 8,040,226,803,223,574,347,776/82,045,856,910.42
6. Step 6: Final answer
   x = 97,996,743,601.59