Finding the Fourth Proportional to 16,510.96, 22,782.72 and 9,436

Step by Step Solution

1. Step 1: Write the proportion equation
   16,510.96 : 22,782.72 = 9,436 : x
2. Step 2: Convert to fraction form
   16,510.96/22,782.72 = 9,436/x
3. Step 3: Cross multiply
   16,510.96x = 22,782.72 × 9,436
4. Step 4: Simplify right side
   16,510.96x = 214,977,745.92
5. Step 5: Solve for x
   x = 214,977,745.92/16,510.96
6. Step 6: Final answer
   x = 13,020.31