Finding the Fourth Proportional to 12,751.37, 17,596.65 and 7,086.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,751.37 : 17,596.65 = 7,086.05 : x
2. Step 2: Convert to fraction form
   12,751.37/17,596.65 = 7,086.05/x
3. Step 3: Cross multiply
   12,751.37x = 17,596.65 × 7,086.05
4. Step 4: Simplify right side
   12,751.37x = 124,690,741.73
5. Step 5: Solve for x
   x = 124,690,741.73/12,751.37
6. Step 6: Final answer
   x = 9,778.62