Finding the Fourth Proportional to 123,391.93, 185,161.94 and 53,271.17

Step by Step Solution

1. Step 1: Write the proportion equation
   123,391.93 : 185,161.94 = 53,271.17 : x
2. Step 2: Convert to fraction form
   123,391.93/185,161.94 = 53,271.17/x
3. Step 3: Cross multiply
   123,391.93x = 185,161.94 × 53,271.17
4. Step 4: Simplify right side
   123,391.93x = 9,863,793,183.27
5. Step 5: Solve for x
   x = 9,863,793,183.27/123,391.93
6. Step 6: Final answer
   x = 79,938.72