Finding the Fourth Proportional to 200,667.72, 276,910.84 and 114,609.78

Step by Step Solution

1. Step 1: Write the proportion equation
   200,667.72 : 276,910.84 = 114,609.78 : x
2. Step 2: Convert to fraction form
   200,667.72/276,910.84 = 114,609.78/x
3. Step 3: Cross multiply
   200,667.72x = 276,910.84 × 114,609.78
4. Step 4: Simplify right side
   200,667.72x = 31,736,690,857.77
5. Step 5: Solve for x
   x = 31,736,690,857.77/200,667.72
6. Step 6: Final answer
   x = 158,155.44