Finding the Fourth Proportional to 215,992.45, 298,063.83 and 120,496.69

Step by Step Solution

1. Step 1: Write the proportion equation
   215,992.45 : 298,063.83 = 120,496.69 : x
2. Step 2: Convert to fraction form
   215,992.45/298,063.83 = 120,496.69/x
3. Step 3: Cross multiply
   215,992.45x = 298,063.83 × 120,496.69
4. Step 4: Simplify right side
   215,992.45x = 35,915,704,923.72
5. Step 5: Solve for x
   x = 35,915,704,923.72/215,992.45
6. Step 6: Final answer
   x = 166,282.22