Finding the Fourth Proportional to 200,070.24, 276,086.61 and 109,408.56

Step by Step Solution

1. Step 1: Write the proportion equation
   200,070.24 : 276,086.61 = 109,408.56 : x
2. Step 2: Convert to fraction form
   200,070.24/276,086.61 = 109,408.56/x
3. Step 3: Cross multiply
   200,070.24x = 276,086.61 × 109,408.56
4. Step 4: Simplify right side
   200,070.24x = 30,206,238,435.38
5. Step 5: Solve for x
   x = 30,206,238,435.38/200,070.24
6. Step 6: Final answer
   x = 150,978.17