Finding the Fourth Proportional to 123,796.38, 185,283.81 and 112,728.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,796.38 : 185,283.81 = 112,728.54 : x
2. Step 2: Convert to fraction form
   123,796.38/185,283.81 = 112,728.54/x
3. Step 3: Cross multiply
   123,796.38x = 185,283.81 × 112,728.54
4. Step 4: Simplify right side
   123,796.38x = 20,886,773,386.94
5. Step 5: Solve for x
   x = 20,886,773,386.94/123,796.38
6. Step 6: Final answer
   x = 168,718.77