Finding the Fourth Proportional to 120,796.41, 166,505.15 and 82,022.12

Step by Step Solution

1. Step 1: Write the proportion equation
   120,796.41 : 166,505.15 = 82,022.12 : x
2. Step 2: Convert to fraction form
   120,796.41/166,505.15 = 82,022.12/x
3. Step 3: Cross multiply
   120,796.41x = 166,505.15 × 82,022.12
4. Step 4: Simplify right side
   120,796.41x = 13,657,105,393.92
5. Step 5: Solve for x
   x = 13,657,105,393.92/120,796.41
6. Step 6: Final answer
   x = 113,058.87