Finding the Fourth Proportional to 8,707.72, 12,016.66 and 4,981.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,707.72 : 12,016.66 = 4,981.72 : x
2. Step 2: Convert to fraction form
   8,707.72/12,016.66 = 4,981.72/x
3. Step 3: Cross multiply
   8,707.72x = 12,016.66 × 4,981.72
4. Step 4: Simplify right side
   8,707.72x = 59,863,635.46
5. Step 5: Solve for x
   x = 59,863,635.46/8,707.72
6. Step 6: Final answer
   x = 6,874.78