Finding the Fourth Proportional to 89,501.37, 123,512.73 and 49,215.39

Step by Step Solution

1. Step 1: Write the proportion equation
   89,501.37 : 123,512.73 = 49,215.39 : x
2. Step 2: Convert to fraction form
   89,501.37/123,512.73 = 49,215.39/x
3. Step 3: Cross multiply
   89,501.37x = 123,512.73 × 49,215.39
4. Step 4: Simplify right side
   89,501.37x = 6,078,727,176.91
5. Step 5: Solve for x
   x = 6,078,727,176.91/89,501.37
6. Step 6: Final answer
   x = 67,917.70