Finding the Fourth Proportional to 215,067, 296,792.46 and 120,859

Step by Step Solution

1. Step 1: Write the proportion equation
   215,067 : 296,792.46 = 120,859 : x
2. Step 2: Convert to fraction form
   215,067/296,792.46 = 120,859/x
3. Step 3: Cross multiply
   215,067x = 296,792.46 × 120,859
4. Step 4: Simplify right side
   215,067x = 35,870,039,923.14
5. Step 5: Solve for x
   x = 35,870,039,923.14/215,067
6. Step 6: Final answer
   x = 166,785.42