Finding the Fourth Proportional to 16,216.34, 22,366.73 and 12,396.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216.34 : 22,366.73 = 12,396.61 : x
2. Step 2: Convert to fraction form
   16,216.34/22,366.73 = 12,396.61/x
3. Step 3: Cross multiply
   16,216.34x = 22,366.73 × 12,396.61
4. Step 4: Simplify right side
   16,216.34x = 277,271,687.74
5. Step 5: Solve for x
   x = 277,271,687.74/16,216.34
6. Step 6: Final answer
   x = 17,098.30