Finding the Fourth Proportional to 110,379.60, 165,399.30 and 82,167.30

Step by Step Solution

1. Step 1: Write the proportion equation
   110,379.60 : 165,399.30 = 82,167.30 : x
2. Step 2: Convert to fraction form
   110,379.60/165,399.30 = 82,167.30/x
3. Step 3: Cross multiply
   110,379.60x = 165,399.30 × 82,167.30
4. Step 4: Simplify right side
   110,379.60x = 13,590,413,902.89
5. Step 5: Solve for x
   x = 13,590,413,902.89/110,379.60
6. Step 6: Final answer
   x = 123,124.33