Finding the Fourth Proportional to 16,697.90, 23,044.18 and 9,624.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,697.90 : 23,044.18 = 9,624.78 : x
2. Step 2: Convert to fraction form
   16,697.90/23,044.18 = 9,624.78/x
3. Step 3: Cross multiply
   16,697.90x = 23,044.18 × 9,624.78
4. Step 4: Simplify right side
   16,697.90x = 221,795,162.78
5. Step 5: Solve for x
   x = 221,795,162.78/16,697.90
6. Step 6: Final answer
   x = 13,282.82