Finding the Fourth Proportional to 89,789.94, 123,908.04 and 49,502.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89,789.94 : 123,908.04 = 49,502.79 : x
2. Step 2: Convert to fraction form
   89,789.94/123,908.04 = 49,502.79/x
3. Step 3: Cross multiply
   89,789.94x = 123,908.04 × 49,502.79
4. Step 4: Simplify right side
   89,789.94x = 6,133,793,683.43
5. Step 5: Solve for x
   x = 6,133,793,683.43/89,789.94
6. Step 6: Final answer
   x = 68,312.71