Finding the Fourth Proportional to 16,619.92, 22,912.52 and 13,274

Step by Step Solution

1. Step 1: Write the proportion equation
   16,619.92 : 22,912.52 = 13,274 : x
2. Step 2: Convert to fraction form
   16,619.92/22,912.52 = 13,274/x
3. Step 3: Cross multiply
   16,619.92x = 22,912.52 × 13,274
4. Step 4: Simplify right side
   16,619.92x = 304,140,790.48
5. Step 5: Solve for x
   x = 304,140,790.48/16,619.92
6. Step 6: Final answer
   x = 18,299.77