Finding the Fourth Proportional to 105,067.92, 157,584.96 and 30,171.03

Step by Step Solution

1. Step 1: Write the proportion equation
   105,067.92 : 157,584.96 = 30,171.03 : x
2. Step 2: Convert to fraction form
   105,067.92/157,584.96 = 30,171.03/x
3. Step 3: Cross multiply
   105,067.92x = 157,584.96 × 30,171.03
4. Step 4: Simplify right side
   105,067.92x = 4,754,500,555.71
5. Step 5: Solve for x
   x = 4,754,500,555.71/105,067.92
6. Step 6: Final answer
   x = 45,251.69