Finding the Fourth Proportional to 14,301.05, 19,732.23 and 8,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,301.05 : 19,732.23 = 8,636.72 : x
2. Step 2: Convert to fraction form
   14,301.05/19,732.23 = 8,636.72/x
3. Step 3: Cross multiply
   14,301.05x = 19,732.23 × 8,636.72
4. Step 4: Simplify right side
   14,301.05x = 170,421,745.49
5. Step 5: Solve for x
   x = 170,421,745.49/14,301.05
6. Step 6: Final answer
   x = 11,916.73