Finding the Fourth Proportional to 9,228.30, 12,732.18 and 5,452.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,228.30 : 12,732.18 = 5,452.80 : x
2. Step 2: Convert to fraction form
   9,228.30/12,732.18 = 5,452.80/x
3. Step 3: Cross multiply
   9,228.30x = 12,732.18 × 5,452.80
4. Step 4: Simplify right side
   9,228.30x = 69,426,031.10
5. Step 5: Solve for x
   x = 69,426,031.10/9,228.30
6. Step 6: Final answer
   x = 7,523.17