Finding the Fourth Proportional to 9,250.40, 12,760.56 and 5,523.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.40 : 12,760.56 = 5,523.68 : x
2. Step 2: Convert to fraction form
   9,250.40/12,760.56 = 5,523.68/x
3. Step 3: Cross multiply
   9,250.40x = 12,760.56 × 5,523.68
4. Step 4: Simplify right side
   9,250.40x = 70,485,250.06
5. Step 5: Solve for x
   x = 70,485,250.06/9,250.40
6. Step 6: Final answer
   x = 7,619.70