Finding the Fourth Proportional to 200,059.56, 276,089.31 and 109,410.12

Step by Step Solution

1. Step 1: Write the proportion equation
   200,059.56 : 276,089.31 = 109,410.12 : x
2. Step 2: Convert to fraction form
   200,059.56/276,089.31 = 109,410.12/x
3. Step 3: Cross multiply
   200,059.56x = 276,089.31 × 109,410.12
4. Step 4: Simplify right side
   200,059.56x = 30,206,964,537.82
5. Step 5: Solve for x
   x = 30,206,964,537.82/200,059.56
6. Step 6: Final answer
   x = 150,989.86