Finding the Fourth Proportional to 111,744.05, 154,212.33 and 69,316.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,744.05 : 154,212.33 = 69,316.25 : x
2. Step 2: Convert to fraction form
   111,744.05/154,212.33 = 69,316.25/x
3. Step 3: Cross multiply
   111,744.05x = 154,212.33 × 69,316.25
4. Step 4: Simplify right side
   111,744.05x = 10,689,420,419.36
5. Step 5: Solve for x
   x = 10,689,420,419.36/111,744.05
6. Step 6: Final answer
   x = 95,659.86