Finding the Fourth Proportional to 16,604.63, 22,914.50 and 9,890.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,604.63 : 22,914.50 = 9,890.54 : x
2. Step 2: Convert to fraction form
   16,604.63/22,914.50 = 9,890.54/x
3. Step 3: Cross multiply
   16,604.63x = 22,914.50 × 9,890.54
4. Step 4: Simplify right side
   16,604.63x = 226,636,700.73
5. Step 5: Solve for x
   x = 226,636,700.73/16,604.63
6. Step 6: Final answer
   x = 13,649.01