Finding the Fourth Proportional to 12,567.72, 18,867.96 and 10,632.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,567.72 : 18,867.96 = 10,632.24 : x
2. Step 2: Convert to fraction form
   12,567.72/18,867.96 = 10,632.24/x
3. Step 3: Cross multiply
   12,567.72x = 18,867.96 × 10,632.24
4. Step 4: Simplify right side
   12,567.72x = 200,608,679.03
5. Step 5: Solve for x
   x = 200,608,679.03/12,567.72
6. Step 6: Final answer
   x = 15,962.22