Finding the Fourth Proportional to 9,250.85, 12,766.52 and 5,271.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.85 : 12,766.52 = 5,271.86 : x
2. Step 2: Convert to fraction form
   9,250.85/12,766.52 = 5,271.86/x
3. Step 3: Cross multiply
   9,250.85x = 12,766.52 × 5,271.86
4. Step 4: Simplify right side
   9,250.85x = 67,303,311.68
5. Step 5: Solve for x
   x = 67,303,311.68/9,250.85
6. Step 6: Final answer
   x = 7,275.36