Finding the Fourth Proportional to 149,524.50, 206,343.10 and 82,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,524.50 : 206,343.10 = 82,456.50 : x
2. Step 2: Convert to fraction form
   149,524.50/206,343.10 = 82,456.50/x
3. Step 3: Cross multiply
   149,524.50x = 206,343.10 × 82,456.50
4. Step 4: Simplify right side
   149,524.50x = 17,014,329,825.15
5. Step 5: Solve for x
   x = 17,014,329,825.15/149,524.50
6. Step 6: Final answer
   x = 113,789.58