Finding the Fourth Proportional to 105,698.16, 158,550.12 and 30,816.49

Step by Step Solution

1. Step 1: Write the proportion equation
   105,698.16 : 158,550.12 = 30,816.49 : x
2. Step 2: Convert to fraction form
   105,698.16/158,550.12 = 30,816.49/x
3. Step 3: Cross multiply
   105,698.16x = 158,550.12 × 30,816.49
4. Step 4: Simplify right side
   105,698.16x = 4,885,958,187.48
5. Step 5: Solve for x
   x = 4,885,958,187.48/105,698.16
6. Step 6: Final answer
   x = 46,225.58