Finding the Fourth Proportional to 105,755.38, 158,421.56 and 63,612.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,755.38 : 158,421.56 = 63,612.18 : x
2. Step 2: Convert to fraction form
   105,755.38/158,421.56 = 63,612.18/x
3. Step 3: Cross multiply
   105,755.38x = 158,421.56 × 63,612.18
4. Step 4: Simplify right side
   105,755.38x = 10,077,540,790.60
5. Step 5: Solve for x
   x = 10,077,540,790.60/105,755.38
6. Step 6: Final answer
   x = 95,291.05