Finding the Fourth Proportional to 9,304.55, 12,840.86 and 5,325.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,304.55 : 12,840.86 = 5,325.57 : x
2. Step 2: Convert to fraction form
   9,304.55/12,840.86 = 5,325.57/x
3. Step 3: Cross multiply
   9,304.55x = 12,840.86 × 5,325.57
4. Step 4: Simplify right side
   9,304.55x = 68,384,930.30
5. Step 5: Solve for x
   x = 68,384,930.30/9,304.55
6. Step 6: Final answer
   x = 7,349.62