Finding the Fourth Proportional to 8,982.92, 12,402.56 and 5,627.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,982.92 : 12,402.56 = 5,627.12 : x
2. Step 2: Convert to fraction form
   8,982.92/12,402.56 = 5,627.12/x
3. Step 3: Cross multiply
   8,982.92x = 12,402.56 × 5,627.12
4. Step 4: Simplify right side
   8,982.92x = 69,790,693.43
5. Step 5: Solve for x
   x = 69,790,693.43/8,982.92
6. Step 6: Final answer
   x = 7,769.27