Finding the Fourth Proportional to 9,304.47, 12,839.27 and 5,271.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,304.47 : 12,839.27 = 5,271.48 : x
2. Step 2: Convert to fraction form
   9,304.47/12,839.27 = 5,271.48/x
3. Step 3: Cross multiply
   9,304.47x = 12,839.27 × 5,271.48
4. Step 4: Simplify right side
   9,304.47x = 67,681,928.66
5. Step 5: Solve for x
   x = 67,681,928.66/9,304.47
6. Step 6: Final answer
   x = 7,274.13