Finding the Fourth Proportional to 16,300.88, 22,491.48 and 9,225.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.88 : 22,491.48 = 9,225.76 : x
2. Step 2: Convert to fraction form
   16,300.88/22,491.48 = 9,225.76/x
3. Step 3: Cross multiply
   16,300.88x = 22,491.48 × 9,225.76
4. Step 4: Simplify right side
   16,300.88x = 207,500,996.52
5. Step 5: Solve for x
   x = 207,500,996.52/16,300.88
6. Step 6: Final answer
   x = 12,729.44