Finding the Fourth Proportional to 16,401.16, 22,634.58 and 12,415.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,401.16 : 22,634.58 = 12,415.96 : x
2. Step 2: Convert to fraction form
   16,401.16/22,634.58 = 12,415.96/x
3. Step 3: Cross multiply
   16,401.16x = 22,634.58 × 12,415.96
4. Step 4: Simplify right side
   16,401.16x = 281,030,039.90
5. Step 5: Solve for x
   x = 281,030,039.90/16,401.16
6. Step 6: Final answer
   x = 17,134.77