Finding the Fourth Proportional to 18,016.72, 24,846.72 and 11,302.96

Step by Step Solution

1. Step 1: Write the proportion equation
   18,016.72 : 24,846.72 = 11,302.96 : x
2. Step 2: Convert to fraction form
   18,016.72/24,846.72 = 11,302.96/x
3. Step 3: Cross multiply
   18,016.72x = 24,846.72 × 11,302.96
4. Step 4: Simplify right side
   18,016.72x = 280,841,482.29
5. Step 5: Solve for x
   x = 280,841,482.29/18,016.72
6. Step 6: Final answer
   x = 15,587.83