Finding the Fourth Proportional to 14,270.73, 19,688.72 and 8,603.34

Step by Step Solution

1. Step 1: Write the proportion equation
   14,270.73 : 19,688.72 = 8,603.34 : x
2. Step 2: Convert to fraction form
   14,270.73/19,688.72 = 8,603.34/x
3. Step 3: Cross multiply
   14,270.73x = 19,688.72 × 8,603.34
4. Step 4: Simplify right side
   14,270.73x = 169,388,709.31
5. Step 5: Solve for x
   x = 169,388,709.31/14,270.73
6. Step 6: Final answer
   x = 11,869.66