Finding the Fourth Proportional to 109,814.10, 164,591.55 and 82,079.70

Step by Step Solution

1. Step 1: Write the proportion equation
   109,814.10 : 164,591.55 = 82,079.70 : x
2. Step 2: Convert to fraction form
   109,814.10/164,591.55 = 82,079.70/x
3. Step 3: Cross multiply
   109,814.10x = 164,591.55 × 82,079.70
4. Step 4: Simplify right side
   109,814.10x = 13,509,625,046.54
5. Step 5: Solve for x
   x = 13,509,625,046.54/109,814.10
6. Step 6: Final answer
   x = 123,022.68