Finding the Fourth Proportional to 9,196.80, 12,690.96 and 5,004.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.80 : 12,690.96 = 5,004.96 : x
2. Step 2: Convert to fraction form
   9,196.80/12,690.96 = 5,004.96/x
3. Step 3: Cross multiply
   9,196.80x = 12,690.96 × 5,004.96
4. Step 4: Simplify right side
   9,196.80x = 63,517,747.16
5. Step 5: Solve for x
   x = 63,517,747.16/9,196.80
6. Step 6: Final answer
   x = 6,906.51