Finding the Fourth Proportional to 89,610.39, 123,661.37 and 49,323.29

Step by Step Solution

1. Step 1: Write the proportion equation
   89,610.39 : 123,661.37 = 49,323.29 : x
2. Step 2: Convert to fraction form
   89,610.39/123,661.37 = 49,323.29/x
3. Step 3: Cross multiply
   89,610.39x = 123,661.37 × 49,323.29
4. Step 4: Simplify right side
   89,610.39x = 6,099,384,749.38
5. Step 5: Solve for x
   x = 6,099,384,749.38/89,610.39
6. Step 6: Final answer
   x = 68,065.60