Finding the Fourth Proportional to 9,250.97, 12,768.71 and 5,712.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.97 : 12,768.71 = 5,712.14 : x
2. Step 2: Convert to fraction form
   9,250.97/12,768.71 = 5,712.14/x
3. Step 3: Cross multiply
   9,250.97x = 12,768.71 × 5,712.14
4. Step 4: Simplify right side
   9,250.97x = 72,936,662.50
5. Step 5: Solve for x
   x = 72,936,662.50/9,250.97
6. Step 6: Final answer
   x = 7,884.22