Finding the Fourth Proportional to 89,786.64, 123,906.42 and 49,501.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,786.64 : 123,906.42 = 49,501.88 : x
2. Step 2: Convert to fraction form
   89,786.64/123,906.42 = 49,501.88/x
3. Step 3: Cross multiply
   89,786.64x = 123,906.42 × 49,501.88
4. Step 4: Simplify right side
   89,786.64x = 6,133,600,114.54
5. Step 5: Solve for x
   x = 6,133,600,114.54/89,786.64
6. Step 6: Final answer
   x = 68,313.06