Finding the Fourth Proportional to 89,010.86, 122,834.79 and 48,724.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,010.86 : 122,834.79 = 48,724.62 : x
2. Step 2: Convert to fraction form
   89,010.86/122,834.79 = 48,724.62/x
3. Step 3: Cross multiply
   89,010.86x = 122,834.79 × 48,724.62
4. Step 4: Simplify right side
   89,010.86x = 5,985,078,465.53
5. Step 5: Solve for x
   x = 5,985,078,465.53/89,010.86
6. Step 6: Final answer
   x = 67,239.87