Finding the Fourth Proportional to 150,705.48, 207,976.10 and 82,728.84

Step by Step Solution

1. Step 1: Write the proportion equation
   150,705.48 : 207,976.10 = 82,728.84 : x
2. Step 2: Convert to fraction form
   150,705.48/207,976.10 = 82,728.84/x
3. Step 3: Cross multiply
   150,705.48x = 207,976.10 × 82,728.84
4. Step 4: Simplify right side
   150,705.48x = 17,205,621,500.72
5. Step 5: Solve for x
   x = 17,205,621,500.72/150,705.48
6. Step 6: Final answer
   x = 114,167.19