Finding the Fourth Proportional to 9,806.55, 14,708.27 and 8,151.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,806.55 : 14,708.27 = 8,151.31 : x
2. Step 2: Convert to fraction form
   9,806.55/14,708.27 = 8,151.31/x
3. Step 3: Cross multiply
   9,806.55x = 14,708.27 × 8,151.31
4. Step 4: Simplify right side
   9,806.55x = 119,891,707.10
5. Step 5: Solve for x
   x = 119,891,707.10/9,806.55
6. Step 6: Final answer
   x = 12,225.68