Finding the Fourth Proportional to 105,768.56, 158,667.62 and 30,894.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,768.56 : 158,667.62 = 30,894.18 : x
2. Step 2: Convert to fraction form
   105,768.56/158,667.62 = 30,894.18/x
3. Step 3: Cross multiply
   105,768.56x = 158,667.62 × 30,894.18
4. Step 4: Simplify right side
   105,768.56x = 4,901,906,012.45
5. Step 5: Solve for x
   x = 4,901,906,012.45/105,768.56
6. Step 6: Final answer
   x = 46,345.59