Finding the Fourth Proportional to 9,559.92, 13,196.72 and 8,962.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,559.92 : 13,196.72 = 8,962.08 : x
2. Step 2: Convert to fraction form
   9,559.92/13,196.72 = 8,962.08/x
3. Step 3: Cross multiply
   9,559.92x = 13,196.72 × 8,962.08
4. Step 4: Simplify right side
   9,559.92x = 118,270,060.38
5. Step 5: Solve for x
   x = 118,270,060.38/9,559.92
6. Step 6: Final answer
   x = 12,371.45