Finding the Fourth Proportional to 16,212, 22,372.56 and 8,760

Step by Step Solution

1. Step 1: Write the proportion equation
   16,212 : 22,372.56 = 8,760 : x
2. Step 2: Convert to fraction form
   16,212/22,372.56 = 8,760/x
3. Step 3: Cross multiply
   16,212x = 22,372.56 × 8,760
4. Step 4: Simplify right side
   16,212x = 195,983,625.60
5. Step 5: Solve for x
   x = 195,983,625.60/16,212
6. Step 6: Final answer
   x = 12,088.80