Finding the Fourth Proportional to 189,456.42, 284,237.94 and 82,849.73

Step by Step Solution

1. Step 1: Write the proportion equation
   189,456.42 : 284,237.94 = 82,849.73 : x
2. Step 2: Convert to fraction form
   189,456.42/284,237.94 = 82,849.73/x
3. Step 3: Cross multiply
   189,456.42x = 284,237.94 × 82,849.73
4. Step 4: Simplify right side
   189,456.42x = 23,549,036,170.51
5. Step 5: Solve for x
   x = 23,549,036,170.51/189,456.42
6. Step 6: Final answer
   x = 124,297.91