Finding the Fourth Proportional to 199,760.96, 275,667.34 and 109,115.84

Step by Step Solution

1. Step 1: Write the proportion equation
   199,760.96 : 275,667.34 = 109,115.84 : x
2. Step 2: Convert to fraction form
   199,760.96/275,667.34 = 109,115.84/x
3. Step 3: Cross multiply
   199,760.96x = 275,667.34 × 109,115.84
4. Step 4: Simplify right side
   199,760.96x = 30,079,673,364.67
5. Step 5: Solve for x
   x = 30,079,673,364.67/199,760.96
6. Step 6: Final answer
   x = 150,578.34