Finding the Fourth Proportional to 200,579.94, 276,789.06 and 109,918.62

Step by Step Solution

1. Step 1: Write the proportion equation
   200,579.94 : 276,789.06 = 109,918.62 : x
2. Step 2: Convert to fraction form
   200,579.94/276,789.06 = 109,918.62/x
3. Step 3: Cross multiply
   200,579.94x = 276,789.06 × 109,918.62
4. Step 4: Simplify right side
   200,579.94x = 30,424,271,506.30
5. Step 5: Solve for x
   x = 30,424,271,506.30/200,579.94
6. Step 6: Final answer
   x = 151,681.53