Finding the Fourth Proportional to 9,304.74, 12,840.12 and 5,768.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,304.74 : 12,840.12 = 5,768.28 : x
2. Step 2: Convert to fraction form
   9,304.74/12,840.12 = 5,768.28/x
3. Step 3: Cross multiply
   9,304.74x = 12,840.12 × 5,768.28
4. Step 4: Simplify right side
   9,304.74x = 74,065,407.39
5. Step 5: Solve for x
   x = 74,065,407.39/9,304.74
6. Step 6: Final answer
   x = 7,959.97