Finding the Fourth Proportional to 108,856.30, 163,290.52 and 33,986.78

Step by Step Solution

1. Step 1: Write the proportion equation
   108,856.30 : 163,290.52 = 33,986.78 : x
2. Step 2: Convert to fraction form
   108,856.30/163,290.52 = 33,986.78/x
3. Step 3: Cross multiply
   108,856.30x = 163,290.52 × 33,986.78
4. Step 4: Simplify right side
   108,856.30x = 5,549,718,979.33
5. Step 5: Solve for x
   x = 5,549,718,979.33/108,856.30
6. Step 6: Final answer
   x = 50,982.07