Finding the Fourth Proportional to 123,545.12, 185,105.92 and 82,942.59

Step by Step Solution

1. Step 1: Write the proportion equation
   123,545.12 : 185,105.92 = 82,942.59 : x
2. Step 2: Convert to fraction form
   123,545.12/185,105.92 = 82,942.59/x
3. Step 3: Cross multiply
   123,545.12x = 185,105.92 × 82,942.59
4. Step 4: Simplify right side
   123,545.12x = 15,353,164,667.47
5. Step 5: Solve for x
   x = 15,353,164,667.47/123,545.12
6. Step 6: Final answer
   x = 124,271.72