Finding the Fourth Proportional to 89,020.92, 122,851.76 and 48,734.67

Step by Step Solution

1. Step 1: Write the proportion equation
   89,020.92 : 122,851.76 = 48,734.67 : x
2. Step 2: Convert to fraction form
   89,020.92/122,851.76 = 48,734.67/x
3. Step 3: Cross multiply
   89,020.92x = 122,851.76 × 48,734.67
4. Step 4: Simplify right side
   89,020.92x = 5,987,139,490.10
5. Step 5: Solve for x
   x = 5,987,139,490.10/89,020.92
6. Step 6: Final answer
   x = 67,255.43