Finding the Fourth Proportional to 89,783.70, 123,901 and 49,497.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89,783.70 : 123,901 = 49,497.31 : x
2. Step 2: Convert to fraction form
   89,783.70/123,901 = 49,497.31/x
3. Step 3: Cross multiply
   89,783.70x = 123,901 × 49,497.31
4. Step 4: Simplify right side
   89,783.70x = 6,132,766,206.31
5. Step 5: Solve for x
   x = 6,132,766,206.31/89,783.70
6. Step 6: Final answer
   x = 68,306.01