Finding the Fourth Proportional to 329,865.72, 455,285.82 and 200,846.82

Step by Step Solution

1. Step 1: Write the proportion equation
   329,865.72 : 455,285.82 = 200,846.82 : x
2. Step 2: Convert to fraction form
   329,865.72/455,285.82 = 200,846.82/x
3. Step 3: Cross multiply
   329,865.72x = 455,285.82 × 200,846.82
4. Step 4: Simplify right side
   329,865.72x = 91,442,709,138.09
5. Step 5: Solve for x
   x = 91,442,709,138.09/329,865.72
6. Step 6: Final answer
   x = 277,211.92