Finding the Fourth Proportional to 89,822.79, 123,958.53 and 49,537.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,822.79 : 123,958.53 = 49,537.80 : x
2. Step 2: Convert to fraction form
   89,822.79/123,958.53 = 49,537.80/x
3. Step 3: Cross multiply
   89,822.79x = 123,958.53 × 49,537.80
4. Step 4: Simplify right side
   89,822.79x = 6,140,632,867.43
5. Step 5: Solve for x
   x = 6,140,632,867.43/89,822.79
6. Step 6: Final answer
   x = 68,363.86