Finding the Fourth Proportional to 16,510.72, 24,775.20 and 7,276.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,510.72 : 24,775.20 = 7,276.48 : x
2. Step 2: Convert to fraction form
   16,510.72/24,775.20 = 7,276.48/x
3. Step 3: Cross multiply
   16,510.72x = 24,775.20 × 7,276.48
4. Step 4: Simplify right side
   16,510.72x = 180,276,247.30
5. Step 5: Solve for x
   x = 180,276,247.30/16,510.72
6. Step 6: Final answer
   x = 10,918.74