Finding the Fourth Proportional to 112,150.05, 154,770.53 and 64,412.97

Step by Step Solution

1. Step 1: Write the proportion equation
   112,150.05 : 154,770.53 = 64,412.97 : x
2. Step 2: Convert to fraction form
   112,150.05/154,770.53 = 64,412.97/x
3. Step 3: Cross multiply
   112,150.05x = 154,770.53 × 64,412.97
4. Step 4: Simplify right side
   112,150.05x = 9,969,229,183.71
5. Step 5: Solve for x
   x = 9,969,229,183.71/112,150.05
6. Step 6: Final answer
   x = 88,891.88