Finding the Fourth Proportional to 111,716.97, 154,160.25 and 65,769.32

Step by Step Solution

1. Step 1: Write the proportion equation
   111,716.97 : 154,160.25 = 65,769.32 : x
2. Step 2: Convert to fraction form
   111,716.97/154,160.25 = 65,769.32/x
3. Step 3: Cross multiply
   111,716.97x = 154,160.25 × 65,769.32
4. Step 4: Simplify right side
   111,716.97x = 10,139,014,042.73
5. Step 5: Solve for x
   x = 10,139,014,042.73/111,716.97
6. Step 6: Final answer
   x = 90,756.26