Finding the Fourth Proportional to 9,304.66, 12,840.59 and 5,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,304.66 : 12,840.59 = 5,530.72 : x
2. Step 2: Convert to fraction form
   9,304.66/12,840.59 = 5,530.72/x
3. Step 3: Cross multiply
   9,304.66x = 12,840.59 × 5,530.72
4. Step 4: Simplify right side
   9,304.66x = 71,017,707.34
5. Step 5: Solve for x
   x = 71,017,707.34/9,304.66
6. Step 6: Final answer
   x = 7,632.49