Finding the Fourth Proportional to 149,405.72, 206,179.89 and 82,337.72

Step by Step Solution

1. Step 1: Write the proportion equation
   149,405.72 : 206,179.89 = 82,337.72 : x
2. Step 2: Convert to fraction form
   149,405.72/206,179.89 = 82,337.72/x
3. Step 3: Cross multiply
   149,405.72x = 206,179.89 × 82,337.72
4. Step 4: Simplify right side
   149,405.72x = 16,976,382,103.49
5. Step 5: Solve for x
   x = 16,976,382,103.49/149,405.72
6. Step 6: Final answer
   x = 113,626.05