Finding the Fourth Proportional to 12,452.18, 18,658.81 and 7,825.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,452.18 : 18,658.81 = 7,825.46 : x
2. Step 2: Convert to fraction form
   12,452.18/18,658.81 = 7,825.46/x
3. Step 3: Cross multiply
   12,452.18x = 18,658.81 × 7,825.46
4. Step 4: Simplify right side
   12,452.18x = 146,013,771.30
5. Step 5: Solve for x
   x = 146,013,771.30/12,452.18
6. Step 6: Final answer
   x = 11,725.96