Finding the Fourth Proportional to 9,196.96, 12,693.04 and 8,946.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.96 : 12,693.04 = 8,946.80 : x
2. Step 2: Convert to fraction form
   9,196.96/12,693.04 = 8,946.80/x
3. Step 3: Cross multiply
   9,196.96x = 12,693.04 × 8,946.80
4. Step 4: Simplify right side
   9,196.96x = 113,562,090.27
5. Step 5: Solve for x
   x = 113,562,090.27/9,196.96
6. Step 6: Final answer
   x = 12,347.79