Finding the Fourth Proportional to 123,806.82, 185,680.53 and 57,183.06

Step by Step Solution

1. Step 1: Write the proportion equation
   123,806.82 : 185,680.53 = 57,183.06 : x
2. Step 2: Convert to fraction form
   123,806.82/185,680.53 = 57,183.06/x
3. Step 3: Cross multiply
   123,806.82x = 185,680.53 × 57,183.06
4. Step 4: Simplify right side
   123,806.82x = 10,617,780,887.82
5. Step 5: Solve for x
   x = 10,617,780,887.82/123,806.82
6. Step 6: Final answer
   x = 85,760.87