Finding the Fourth Proportional to 16,762.53, 23,132.92 and 9,209.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,762.53 : 23,132.92 = 9,209.72 : x
2. Step 2: Convert to fraction form
   16,762.53/23,132.92 = 9,209.72/x
3. Step 3: Cross multiply
   16,762.53x = 23,132.92 × 9,209.72
4. Step 4: Simplify right side
   16,762.53x = 213,047,715.98
5. Step 5: Solve for x
   x = 213,047,715.98/16,762.53
6. Step 6: Final answer
   x = 12,709.76