Finding the Fourth Proportional to 9,250.27, 12,764.72 and 5,217.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.27 : 12,764.72 = 5,217.25 : x
2. Step 2: Convert to fraction form
   9,250.27/12,764.72 = 5,217.25/x
3. Step 3: Cross multiply
   9,250.27x = 12,764.72 × 5,217.25
4. Step 4: Simplify right side
   9,250.27x = 66,596,645.51
5. Step 5: Solve for x
   x = 66,596,645.51/9,250.27
6. Step 6: Final answer
   x = 7,199.43