Finding the Fourth Proportional to 12,751.50, 17,596.69 and 7,086.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,751.50 : 17,596.69 = 7,086.23 : x
2. Step 2: Convert to fraction form
   12,751.50/17,596.69 = 7,086.23/x
3. Step 3: Cross multiply
   12,751.50x = 17,596.69 × 7,086.23
4. Step 4: Simplify right side
   12,751.50x = 124,694,192.58
5. Step 5: Solve for x
   x = 124,694,192.58/12,751.50
6. Step 6: Final answer
   x = 9,778.79