Finding the Fourth Proportional to 105,628.80, 158,458.56 and 35,528.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,628.80 : 158,458.56 = 35,528.16 : x
2. Step 2: Convert to fraction form
   105,628.80/158,458.56 = 35,528.16/x
3. Step 3: Cross multiply
   105,628.80x = 158,458.56 × 35,528.16
4. Step 4: Simplify right side
   105,628.80x = 5,629,741,073.05
5. Step 5: Solve for x
   x = 5,629,741,073.05/105,628.80
6. Step 6: Final answer
   x = 53,297.41