Finding the Fourth Proportional to 9,304.34, 12,839.38 and 5,112.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,304.34 : 12,839.38 = 5,112.32 : x
2. Step 2: Convert to fraction form
   9,304.34/12,839.38 = 5,112.32/x
3. Step 3: Cross multiply
   9,304.34x = 12,839.38 × 5,112.32
4. Step 4: Simplify right side
   9,304.34x = 65,638,942.18
5. Step 5: Solve for x
   x = 65,638,942.18/9,304.34
6. Step 6: Final answer
   x = 7,054.66