Finding the Fourth Proportional to 149,481.72, 206,283.42 and 82,413.72

Step by Step Solution

1. Step 1: Write the proportion equation
   149,481.72 : 206,283.42 = 82,413.72 : x
2. Step 2: Convert to fraction form
   149,481.72/206,283.42 = 82,413.72/x
3. Step 3: Cross multiply
   149,481.72x = 206,283.42 × 82,413.72
4. Step 4: Simplify right side
   149,481.72x = 17,000,584,016.52
5. Step 5: Solve for x
   x = 17,000,584,016.52/149,481.72
6. Step 6: Final answer
   x = 113,730.19