Finding the Fourth Proportional to 105,496.83, 158,268.33 and 30,618

Step by Step Solution

1. Step 1: Write the proportion equation
   105,496.83 : 158,268.33 = 30,618 : x
2. Step 2: Convert to fraction form
   105,496.83/158,268.33 = 30,618/x
3. Step 3: Cross multiply
   105,496.83x = 158,268.33 × 30,618
4. Step 4: Simplify right side
   105,496.83x = 4,845,859,727.94
5. Step 5: Solve for x
   x = 4,845,859,727.94/105,496.83
6. Step 6: Final answer
   x = 45,933.70