Finding the Fourth Proportional to 8,760, 12,085.76 and 4,982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,760 : 12,085.76 = 4,982.72 : x
2. Step 2: Convert to fraction form
   8,760/12,085.76 = 4,982.72/x
3. Step 3: Cross multiply
   8,760x = 12,085.76 × 4,982.72
4. Step 4: Simplify right side
   8,760x = 60,219,958.07
5. Step 5: Solve for x
   x = 60,219,958.07/8,760
6. Step 6: Final answer
   x = 6,874.42