Finding the Fourth Proportional to 105,743.28, 158,638.86 and 35,620.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,743.28 : 158,638.86 = 35,620.68 : x
2. Step 2: Convert to fraction form
   105,743.28/158,638.86 = 35,620.68/x
3. Step 3: Cross multiply
   105,743.28x = 158,638.86 × 35,620.68
4. Step 4: Simplify right side
   105,743.28x = 5,650,824,067.62
5. Step 5: Solve for x
   x = 5,650,824,067.62/105,743.28
6. Step 6: Final answer
   x = 53,439.08