Finding the Fourth Proportional to 9,304, 12,839.76 and 5,112.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,304 : 12,839.76 = 5,112.26 : x
2. Step 2: Convert to fraction form
   9,304/12,839.76 = 5,112.26/x
3. Step 3: Cross multiply
   9,304x = 12,839.76 × 5,112.26
4. Step 4: Simplify right side
   9,304x = 65,640,191.46
5. Step 5: Solve for x
   x = 65,640,191.46/9,304
6. Step 6: Final answer
   x = 7,055.05