Finding the Fourth Proportional to 89,673.27, 123,745.12 and 51,405.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,673.27 : 123,745.12 = 51,405.38 : x
2. Step 2: Convert to fraction form
   89,673.27/123,745.12 = 51,405.38/x
3. Step 3: Cross multiply
   89,673.27x = 123,745.12 × 51,405.38
4. Step 4: Simplify right side
   89,673.27x = 6,361,164,659.72
5. Step 5: Solve for x
   x = 6,361,164,659.72/89,673.27
6. Step 6: Final answer
   x = 70,937.14