Finding the Fourth Proportional to 331,096.72, 456,961.64 and 185,918.80

Step by Step Solution

1. Step 1: Write the proportion equation
   331,096.72 : 456,961.64 = 185,918.80 : x
2. Step 2: Convert to fraction form
   331,096.72/456,961.64 = 185,918.80/x
3. Step 3: Cross multiply
   331,096.72x = 456,961.64 × 185,918.80
4. Step 4: Simplify right side
   331,096.72x = 84,957,759,754.83
5. Step 5: Solve for x
   x = 84,957,759,754.83/331,096.72
6. Step 6: Final answer
   x = 256,594.99