Finding the Fourth Proportional to 14,487.50, 19,993.96 and 9,180.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,487.50 : 19,993.96 = 9,180.38 : x
2. Step 2: Convert to fraction form
   14,487.50/19,993.96 = 9,180.38/x
3. Step 3: Cross multiply
   14,487.50x = 19,993.96 × 9,180.38
4. Step 4: Simplify right side
   14,487.50x = 183,552,150.50
5. Step 5: Solve for x
   x = 183,552,150.50/14,487.50
6. Step 6: Final answer
   x = 12,669.69