Finding the Fourth Proportional to 89,065.76, 122,911.57 and 60,770.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,065.76 : 122,911.57 = 60,770.84 : x
2. Step 2: Convert to fraction form
   89,065.76/122,911.57 = 60,770.84/x
3. Step 3: Cross multiply
   89,065.76x = 122,911.57 × 60,770.84
4. Step 4: Simplify right side
   89,065.76x = 7,469,439,354.62
5. Step 5: Solve for x
   x = 7,469,439,354.62/89,065.76
6. Step 6: Final answer
   x = 83,864.32