Finding the Fourth Proportional to 89,870.48, 124,020.46 and 49,584.60

Step by Step Solution

1. Step 1: Write the proportion equation
   89,870.48 : 124,020.46 = 49,584.60 : x
2. Step 2: Convert to fraction form
   89,870.48/124,020.46 = 49,584.60/x
3. Step 3: Cross multiply
   89,870.48x = 124,020.46 × 49,584.60
4. Step 4: Simplify right side
   89,870.48x = 6,149,504,900.92
5. Step 5: Solve for x
   x = 6,149,504,900.92/89,870.48
6. Step 6: Final answer
   x = 68,426.31