Finding the Fourth Proportional to 82,613,419,436.86, 123,945,419,314.14 and 42,304,811,134.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,613,419,436.86 : 123,945,419,314.14 = 42,304,811,134.12 : x
2. Step 2: Convert to fraction form
   82,613,419,436.86/123,945,419,314.14 = 42,304,811,134.12/x
3. Step 3: Cross multiply
   82,613,419,436.86x = 123,945,419,314.14 × 42,304,811,134.12
4. Step 4: Simplify right side
   82,613,419,436.86x = 5,243,487,555,024,002,744,320
5. Step 5: Solve for x
   x = 5,243,487,555,024,002,744,320/82,613,419,436.86
6. Step 6: Final answer
   x = 63,470,167,325.92