Finding the Fourth Proportional to 12,902.72, 17,806 and 7,452.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,902.72 : 17,806 = 7,452.80 : x
2. Step 2: Convert to fraction form
   12,902.72/17,806 = 7,452.80/x
3. Step 3: Cross multiply
   12,902.72x = 17,806 × 7,452.80
4. Step 4: Simplify right side
   12,902.72x = 132,704,556.80
5. Step 5: Solve for x
   x = 132,704,556.80/12,902.72
6. Step 6: Final answer
   x = 10,285.01