Finding the Fourth Proportional to 89,065, 122,910.51 and 60,770.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,065 : 122,910.51 = 60,770.08 : x
2. Step 2: Convert to fraction form
   89,065/122,910.51 = 60,770.08/x
3. Step 3: Cross multiply
   89,065x = 122,910.51 × 60,770.08
4. Step 4: Simplify right side
   89,065x = 7,469,281,525.54
5. Step 5: Solve for x
   x = 7,469,281,525.54/89,065
6. Step 6: Final answer
   x = 83,863.26