Finding the Fourth Proportional to 105,554.79, 158,342.55 and 30,675.57

Step by Step Solution

1. Step 1: Write the proportion equation
   105,554.79 : 158,342.55 = 30,675.57 : x
2. Step 2: Convert to fraction form
   105,554.79/158,342.55 = 30,675.57/x
3. Step 3: Cross multiply
   105,554.79x = 158,342.55 × 30,675.57
4. Step 4: Simplify right side
   105,554.79x = 4,857,247,976.50
5. Step 5: Solve for x
   x = 4,857,247,976.50/105,554.79
6. Step 6: Final answer
   x = 46,016.37