Finding the Fourth Proportional to 200,484.72, 276,664.68 and 109,836.27

Step by Step Solution

1. Step 1: Write the proportion equation
   200,484.72 : 276,664.68 = 109,836.27 : x
2. Step 2: Convert to fraction form
   200,484.72/276,664.68 = 109,836.27/x
3. Step 3: Cross multiply
   200,484.72x = 276,664.68 × 109,836.27
4. Step 4: Simplify right side
   200,484.72x = 30,387,816,491.94
5. Step 5: Solve for x
   x = 30,387,816,491.94/200,484.72
6. Step 6: Final answer
   x = 151,571.73