Finding the Fourth Proportional to 89,081.45, 122,932.20 and 48,245.45

Step by Step Solution

1. Step 1: Write the proportion equation
   89,081.45 : 122,932.20 = 48,245.45 : x
2. Step 2: Convert to fraction form
   89,081.45/122,932.20 = 48,245.45/x
3. Step 3: Cross multiply
   89,081.45x = 122,932.20 × 48,245.45
4. Step 4: Simplify right side
   89,081.45x = 5,930,919,640.61
5. Step 5: Solve for x
   x = 5,930,919,640.61/89,081.45
6. Step 6: Final answer
   x = 66,578.61