Finding the Fourth Proportional to 308,098.57, 425,103.15 and 178,960.31

Step by Step Solution

1. Step 1: Write the proportion equation
   308,098.57 : 425,103.15 = 178,960.31 : x
2. Step 2: Convert to fraction form
   308,098.57/425,103.15 = 178,960.31/x
3. Step 3: Cross multiply
   308,098.57x = 425,103.15 × 178,960.31
4. Step 4: Simplify right side
   308,098.57x = 76,076,591,505.98
5. Step 5: Solve for x
   x = 76,076,591,505.98/308,098.57
6. Step 6: Final answer
   x = 246,922.90