Finding the Fourth Proportional to 200,067.39, 276,082.76 and 109,405.73

Step by Step Solution

1. Step 1: Write the proportion equation
   200,067.39 : 276,082.76 = 109,405.73 : x
2. Step 2: Convert to fraction form
   200,067.39/276,082.76 = 109,405.73/x
3. Step 3: Cross multiply
   200,067.39x = 276,082.76 × 109,405.73
4. Step 4: Simplify right side
   200,067.39x = 30,205,036,861.94
5. Step 5: Solve for x
   x = 30,205,036,861.94/200,067.39
6. Step 6: Final answer
   x = 150,974.31