Finding the Fourth Proportional to 16,165.45, 22,304.98 and 9,449.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,165.45 : 22,304.98 = 9,449.78 : x
2. Step 2: Convert to fraction form
   16,165.45/22,304.98 = 9,449.78/x
3. Step 3: Cross multiply
   16,165.45x = 22,304.98 × 9,449.78
4. Step 4: Simplify right side
   16,165.45x = 210,777,153.90
5. Step 5: Solve for x
   x = 210,777,153.90/16,165.45
6. Step 6: Final answer
   x = 13,038.74