Finding the Fourth Proportional to 108,661.52, 163,016.76 and 38,540.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,661.52 : 163,016.76 = 38,540.72 : x
2. Step 2: Convert to fraction form
   108,661.52/163,016.76 = 38,540.72/x
3. Step 3: Cross multiply
   108,661.52x = 163,016.76 × 38,540.72
4. Step 4: Simplify right side
   108,661.52x = 6,282,783,302.47
5. Step 5: Solve for x
   x = 6,282,783,302.47/108,661.52
6. Step 6: Final answer
   x = 57,819.76