Finding the Fourth Proportional to 12,751.16, 17,596.41 and 7,085.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,751.16 : 17,596.41 = 7,085.87 : x
2. Step 2: Convert to fraction form
   12,751.16/17,596.41 = 7,085.87/x
3. Step 3: Cross multiply
   12,751.16x = 17,596.41 × 7,085.87
4. Step 4: Simplify right side
   12,751.16x = 124,685,873.73
5. Step 5: Solve for x
   x = 124,685,873.73/12,751.16
6. Step 6: Final answer
   x = 9,778.39