Finding the Fourth Proportional to 89,021.45, 122,849.42 and 48,734.89

Step by Step Solution

1. Step 1: Write the proportion equation
   89,021.45 : 122,849.42 = 48,734.89 : x
2. Step 2: Convert to fraction form
   89,021.45/122,849.42 = 48,734.89/x
3. Step 3: Cross multiply
   89,021.45x = 122,849.42 × 48,734.89
4. Step 4: Simplify right side
   89,021.45x = 5,987,052,419.47
5. Step 5: Solve for x
   x = 5,987,052,419.47/89,021.45
6. Step 6: Final answer
   x = 67,254.04