Finding the Fourth Proportional to 120,517.10, 166,379.83 and 82,334.06

Step by Step Solution

1. Step 1: Write the proportion equation
   120,517.10 : 166,379.83 = 82,334.06 : x
2. Step 2: Convert to fraction form
   120,517.10/166,379.83 = 82,334.06/x
3. Step 3: Cross multiply
   120,517.10x = 166,379.83 × 82,334.06
4. Step 4: Simplify right side
   120,517.10x = 13,698,725,868.28
5. Step 5: Solve for x
   x = 13,698,725,868.28/120,517.10
6. Step 6: Final answer
   x = 113,666.25