Finding the Fourth Proportional to 16,650.69, 22,978.17 and 9,096.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,650.69 : 22,978.17 = 9,096.99 : x
2. Step 2: Convert to fraction form
   16,650.69/22,978.17 = 9,096.99/x
3. Step 3: Cross multiply
   16,650.69x = 22,978.17 × 9,096.99
4. Step 4: Simplify right side
   16,650.69x = 209,032,182.71
5. Step 5: Solve for x
   x = 209,032,182.71/16,650.69
6. Step 6: Final answer
   x = 12,553.97