Finding the Fourth Proportional to 105,768.14, 158,667.06 and 30,893.78

Step by Step Solution

1. Step 1: Write the proportion equation
   105,768.14 : 158,667.06 = 30,893.78 : x
2. Step 2: Convert to fraction form
   105,768.14/158,667.06 = 30,893.78/x
3. Step 3: Cross multiply
   105,768.14x = 158,667.06 × 30,893.78
4. Step 4: Simplify right side
   105,768.14x = 4,901,825,244.89
5. Step 5: Solve for x
   x = 4,901,825,244.89/105,768.14
6. Step 6: Final answer
   x = 46,345.01