Finding the Fourth Proportional to 105,822.80, 158,786.10 and 49,667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,822.80 : 158,786.10 = 49,667.48 : x
2. Step 2: Convert to fraction form
   105,822.80/158,786.10 = 49,667.48/x
3. Step 3: Cross multiply
   105,822.80x = 158,786.10 × 49,667.48
4. Step 4: Simplify right side
   105,822.80x = 7,886,505,107.86
5. Step 5: Solve for x
   x = 7,886,505,107.86/105,822.80
6. Step 6: Final answer
   x = 74,525.57