Finding the Fourth Proportional to 16,412, 22,648.56 and 8,960

Step by Step Solution

1. Step 1: Write the proportion equation
   16,412 : 22,648.56 = 8,960 : x
2. Step 2: Convert to fraction form
   16,412/22,648.56 = 8,960/x
3. Step 3: Cross multiply
   16,412x = 22,648.56 × 8,960
4. Step 4: Simplify right side
   16,412x = 202,931,097.60
5. Step 5: Solve for x
   x = 202,931,097.60/16,412
6. Step 6: Final answer
   x = 12,364.80