Finding the Fourth Proportional to 8,786.82, 12,131.58 and 5,251.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,786.82 : 12,131.58 = 5,251.14 : x
2. Step 2: Convert to fraction form
   8,786.82/12,131.58 = 5,251.14/x
3. Step 3: Cross multiply
   8,786.82x = 12,131.58 × 5,251.14
4. Step 4: Simplify right side
   8,786.82x = 63,704,625.00
5. Step 5: Solve for x
   x = 63,704,625.00/8,786.82
6. Step 6: Final answer
   x = 7,250.02