Finding the Fourth Proportional to 9,304.52, 12,839.96 and 5,112.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,304.52 : 12,839.96 = 5,112.76 : x
2. Step 2: Convert to fraction form
   9,304.52/12,839.96 = 5,112.76/x
3. Step 3: Cross multiply
   9,304.52x = 12,839.96 × 5,112.76
4. Step 4: Simplify right side
   9,304.52x = 65,647,633.89
5. Step 5: Solve for x
   x = 65,647,633.89/9,304.52
6. Step 6: Final answer
   x = 7,055.46