Finding the Fourth Proportional to 83,105.43, 115,459.73 and 82,108.97

Step by Step Solution

1. Step 1: Write the proportion equation
   83,105.43 : 115,459.73 = 82,108.97 : x
2. Step 2: Convert to fraction form
   83,105.43/115,459.73 = 82,108.97/x
3. Step 3: Cross multiply
   83,105.43x = 115,459.73 × 82,108.97
4. Step 4: Simplify right side
   83,105.43x = 9,480,279,506.78
5. Step 5: Solve for x
   x = 9,480,279,506.78/83,105.43
6. Step 6: Final answer
   x = 114,075.33