Finding the Fourth Proportional to 82,773, 123,864.12 and 71,717.58

Step by Step Solution

1. Step 1: Write the proportion equation
   82,773 : 123,864.12 = 71,717.58 : x
2. Step 2: Convert to fraction form
   82,773/123,864.12 = 71,717.58/x
3. Step 3: Cross multiply
   82,773x = 123,864.12 × 71,717.58
4. Step 4: Simplify right side
   82,773x = 8,883,234,935.23
5. Step 5: Solve for x
   x = 8,883,234,935.23/82,773
6. Step 6: Final answer
   x = 107,320.44