Finding the Fourth Proportional to 188,009.82, 259,306.92 and 116,429.58

Step by Step Solution

1. Step 1: Write the proportion equation
   188,009.82 : 259,306.92 = 116,429.58 : x
2. Step 2: Convert to fraction form
   188,009.82/259,306.92 = 116,429.58/x
3. Step 3: Cross multiply
   188,009.82x = 259,306.92 × 116,429.58
4. Step 4: Simplify right side
   188,009.82x = 30,190,995,786.69
5. Step 5: Solve for x
   x = 30,190,995,786.69/188,009.82
6. Step 6: Final answer
   x = 160,582.02