Finding the Fourth Proportional to 200,311.27, 276,432.83 and 109,665.73

Step by Step Solution

1. Step 1: Write the proportion equation
   200,311.27 : 276,432.83 = 109,665.73 : x
2. Step 2: Convert to fraction form
   200,311.27/276,432.83 = 109,665.73/x
3. Step 3: Cross multiply
   200,311.27x = 276,432.83 × 109,665.73
4. Step 4: Simplify right side
   200,311.27x = 30,315,208,097.92
5. Step 5: Solve for x
   x = 30,315,208,097.92/200,311.27
6. Step 6: Final answer
   x = 151,340.50