Finding the Fourth Proportional to 9,747.73, 13,451.88 and 5,271.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,747.73 : 13,451.88 = 5,271.48 : x
2. Step 2: Convert to fraction form
   9,747.73/13,451.88 = 5,271.48/x
3. Step 3: Cross multiply
   9,747.73x = 13,451.88 × 5,271.48
4. Step 4: Simplify right side
   9,747.73x = 70,911,336.15
5. Step 5: Solve for x
   x = 70,911,336.15/9,747.73
6. Step 6: Final answer
   x = 7,274.65