Finding the Fourth Proportional to 9,250.91, 12,766.28 and 5,271.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.91 : 12,766.28 = 5,271.92 : x
2. Step 2: Convert to fraction form
   9,250.91/12,766.28 = 5,271.92/x
3. Step 3: Cross multiply
   9,250.91x = 12,766.28 × 5,271.92
4. Step 4: Simplify right side
   9,250.91x = 67,302,764.54
5. Step 5: Solve for x
   x = 67,302,764.54/9,250.91
6. Step 6: Final answer
   x = 7,275.26