Finding the Fourth Proportional to 9,251.20, 12,767.46 and 5,271.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,251.20 : 12,767.46 = 5,271.46 : x
2. Step 2: Convert to fraction form
   9,251.20/12,767.46 = 5,271.46/x
3. Step 3: Cross multiply
   9,251.20x = 12,767.46 × 5,271.46
4. Step 4: Simplify right side
   9,251.20x = 67,303,154.69
5. Step 5: Solve for x
   x = 67,303,154.69/9,251.20
6. Step 6: Final answer
   x = 7,275.07