Finding the Fourth Proportional to 14,397.69, 19,869.81 and 8,732.67

Step by Step Solution

1. Step 1: Write the proportion equation
   14,397.69 : 19,869.81 = 8,732.67 : x
2. Step 2: Convert to fraction form
   14,397.69/19,869.81 = 8,732.67/x
3. Step 3: Cross multiply
   14,397.69x = 19,869.81 × 8,732.67
4. Step 4: Simplify right side
   14,397.69x = 173,516,493.69
5. Step 5: Solve for x
   x = 173,516,493.69/14,397.69
6. Step 6: Final answer
   x = 12,051.69