Finding the Fourth Proportional to 16,423.12, 22,647.72 and 10,134.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,423.12 : 22,647.72 = 10,134.16 : x
2. Step 2: Convert to fraction form
   16,423.12/22,647.72 = 10,134.16/x
3. Step 3: Cross multiply
   16,423.12x = 22,647.72 × 10,134.16
4. Step 4: Simplify right side
   16,423.12x = 229,515,618.12
5. Step 5: Solve for x
   x = 229,515,618.12/16,423.12
6. Step 6: Final answer
   x = 13,975.15